diff --git a/app/Library/Xml/DatasetExtension.php b/app/Library/Xml/DatasetExtension.php
index 3f13033..734e214 100644
--- a/app/Library/Xml/DatasetExtension.php
+++ b/app/Library/Xml/DatasetExtension.php
@@ -108,7 +108,7 @@ trait DatasetExtension
             "PublishedDate", "PublishedYear",
             "PublisherName", "PublisherPlace",
             "PublicationState",
-            "ServerDateCreated",
+            "EmbargoDate", "CreatedAt",
             "ServerDateModified",
             "ServerDatePublished",
             "ServerDateDeleted",
@@ -132,8 +132,8 @@ trait DatasetExtension
              // Initialize available date fields and set up date validator
             // if the particular field is present
         $dateFields = array(
-            'ServerDateCreated', 'PublishedDate',
-            'ServerDateModified', 'ServerDatePublished', 'ServerDateDeleted', 'EmbargoDate'
+            'EmbargoDate', 'CreatedAt', 'PublishedDate',
+            'ServerDatePublished', 'ServerDateDeleted', 'EmbargoDate'
         );
         foreach ($dateFields as $fieldName) {
             $this->getField($fieldName)
diff --git a/composer.lock b/composer.lock
index 898b728..034266a 100755
--- a/composer.lock
+++ b/composer.lock
@@ -1200,16 +1200,16 @@
         },
         {
             "name": "nesbot/carbon",
-            "version": "2.32.0",
+            "version": "2.32.2",
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                 "url": "https://github.com/briannesbitt/Carbon.git",
-                "reference": "7410a349613bf32d02d8aaed1c669698ddd2b718"
+                "reference": "f10e22cf546704fab1db4ad4b9dedbc5c797a0dc"
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-                "reference": "7410a349613bf32d02d8aaed1c669698ddd2b718",
+                "url": "https://api.github.com/repos/briannesbitt/Carbon/zipball/f10e22cf546704fab1db4ad4b9dedbc5c797a0dc",
+                "reference": "f10e22cf546704fab1db4ad4b9dedbc5c797a0dc",
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@@ -1277,7 +1277,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-03-24T16:01:47+00:00"
+            "time": "2020-03-31T13:43:19+00:00"
         },
         {
             "name": "nikic/php-parser",
@@ -1919,16 +1919,16 @@
         },
         {
             "name": "symfony/console",
-            "version": "v4.4.5",
+            "version": "v4.4.7",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/console.git",
-                "reference": "4fa15ae7be74e53f6ec8c83ed403b97e23b665e9"
+                "reference": "10bb3ee3c97308869d53b3e3d03f6ac23ff985f7"
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-                "reference": "4fa15ae7be74e53f6ec8c83ed403b97e23b665e9",
+                "url": "https://api.github.com/repos/symfony/console/zipball/10bb3ee3c97308869d53b3e3d03f6ac23ff985f7",
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@@ -1991,20 +1991,34 @@
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             "description": "Symfony Console Component",
             "homepage": "https://symfony.com",
-            "time": "2020-02-24T13:10:00+00:00"
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-03-30T11:41:10+00:00"
         },
         {
             "name": "symfony/css-selector",
-            "version": "v5.0.5",
+            "version": "v5.0.7",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/css-selector.git",
-                "reference": "a0b51ba9938ccc206d9284de7eb527c2d4550b44"
+                "reference": "5f8d5271303dad260692ba73dfa21777d38e124e"
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-                "url": "https://api.github.com/repos/symfony/css-selector/zipball/a0b51ba9938ccc206d9284de7eb527c2d4550b44",
-                "reference": "a0b51ba9938ccc206d9284de7eb527c2d4550b44",
+                "url": "https://api.github.com/repos/symfony/css-selector/zipball/5f8d5271303dad260692ba73dfa21777d38e124e",
+                "reference": "5f8d5271303dad260692ba73dfa21777d38e124e",
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@@ -2044,20 +2058,34 @@
             ],
             "description": "Symfony CssSelector Component",
             "homepage": "https://symfony.com",
-            "time": "2020-02-04T09:41:09+00:00"
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-03-27T16:56:45+00:00"
         },
         {
             "name": "symfony/debug",
-            "version": "v4.4.5",
+            "version": "v4.4.7",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/debug.git",
-                "reference": "a980d87a659648980d89193fd8b7a7ca89d97d21"
+                "reference": "346636d2cae417992ecfd761979b2ab98b339a45"
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-                "url": "https://api.github.com/repos/symfony/debug/zipball/a980d87a659648980d89193fd8b7a7ca89d97d21",
-                "reference": "a980d87a659648980d89193fd8b7a7ca89d97d21",
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@@ -2100,20 +2128,34 @@
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-            "time": "2020-02-23T14:41:43+00:00"
+            "funding": [
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+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
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+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
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         {
             "name": "symfony/error-handler",
-            "version": "v4.4.5",
+            "version": "v4.4.7",
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                 "url": "https://github.com/symfony/error-handler.git",
-                "reference": "89aa4b9ac6f1f35171b8621b24f60477312085be"
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@@ -2156,20 +2198,34 @@
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             "homepage": "https://symfony.com",
-            "time": "2020-02-26T11:45:31+00:00"
+            "funding": [
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+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
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+                    "url": "https://github.com/fabpot",
+                    "type": "github"
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-            "version": "v4.4.5",
+            "version": "v4.4.7",
             "source": {
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                 "url": "https://github.com/symfony/event-dispatcher.git",
-                "reference": "4ad8e149799d3128621a3a1f70e92b9897a8930d"
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@@ -2226,7 +2282,21 @@
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+            "funding": [
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+                    "type": "github"
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+                    "type": "tidelift"
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+            "time": "2020-03-27T16:54:36+00:00"
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@@ -2288,16 +2358,16 @@
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         {
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-            "version": "v4.4.5",
+            "version": "v4.4.7",
             "source": {
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                 "url": "https://github.com/symfony/finder.git",
-                "reference": "ea69c129aed9fdeca781d4b77eb20b62cf5d5357"
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@@ -2333,20 +2403,34 @@
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             "homepage": "https://symfony.com",
-            "time": "2020-02-14T07:42:58+00:00"
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
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+                    "url": "https://github.com/fabpot",
+                    "type": "github"
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+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
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         {
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-            "version": "v4.4.5",
+            "version": "v4.4.7",
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                 "url": "https://github.com/symfony/http-foundation.git",
-                "reference": "7e41b4fcad4619535f45f8bfa7744c4f384e1648"
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-            "version": "v4.4.5",
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@@ -2492,20 +2590,20 @@
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-            "version": "v5.0.5",
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@@ -2554,20 +2652,34 @@
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@@ -2612,20 +2724,34 @@
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@@ -2733,20 +2873,34 @@
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+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-03-09T19:04:49+00:00"
         },
         {
             "name": "symfony/polyfill-mbstring",
-            "version": "v1.14.0",
+            "version": "v1.15.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-mbstring.git",
-                "reference": "34094cfa9abe1f0f14f48f490772db7a775559f2"
+                "reference": "81ffd3a9c6d707be22e3012b827de1c9775fc5ac"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/34094cfa9abe1f0f14f48f490772db7a775559f2",
-                "reference": "34094cfa9abe1f0f14f48f490772db7a775559f2",
+                "url": "https://api.github.com/repos/symfony/polyfill-mbstring/zipball/81ffd3a9c6d707be22e3012b827de1c9775fc5ac",
+                "reference": "81ffd3a9c6d707be22e3012b827de1c9775fc5ac",
                 "shasum": ""
             },
             "require": {
@@ -2758,7 +2912,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.14-dev"
+                    "dev-master": "1.15-dev"
                 }
             },
             "autoload": {
@@ -2792,20 +2946,34 @@
                 "portable",
                 "shim"
             ],
-            "time": "2020-01-13T11:15:53+00:00"
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-03-09T19:04:49+00:00"
         },
         {
             "name": "symfony/polyfill-php72",
-            "version": "v1.14.0",
+            "version": "v1.15.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-php72.git",
-                "reference": "46ecacf4751dd0dc81e4f6bf01dbf9da1dc1dadf"
+                "reference": "37b0976c78b94856543260ce09b460a7bc852747"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-php72/zipball/46ecacf4751dd0dc81e4f6bf01dbf9da1dc1dadf",
-                "reference": "46ecacf4751dd0dc81e4f6bf01dbf9da1dc1dadf",
+                "url": "https://api.github.com/repos/symfony/polyfill-php72/zipball/37b0976c78b94856543260ce09b460a7bc852747",
+                "reference": "37b0976c78b94856543260ce09b460a7bc852747",
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             },
             "require": {
@@ -2814,7 +2982,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.14-dev"
+                    "dev-master": "1.15-dev"
                 }
             },
             "autoload": {
@@ -2847,20 +3015,34 @@
                 "portable",
                 "shim"
             ],
-            "time": "2020-01-13T11:15:53+00:00"
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-02-27T09:26:54+00:00"
         },
         {
             "name": "symfony/polyfill-php73",
-            "version": "v1.14.0",
+            "version": "v1.15.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/polyfill-php73.git",
-                "reference": "5e66a0fa1070bf46bec4bea7962d285108edd675"
+                "reference": "0f27e9f464ea3da33cbe7ca3bdf4eb66def9d0f7"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/polyfill-php73/zipball/5e66a0fa1070bf46bec4bea7962d285108edd675",
-                "reference": "5e66a0fa1070bf46bec4bea7962d285108edd675",
+                "url": "https://api.github.com/repos/symfony/polyfill-php73/zipball/0f27e9f464ea3da33cbe7ca3bdf4eb66def9d0f7",
+                "reference": "0f27e9f464ea3da33cbe7ca3bdf4eb66def9d0f7",
                 "shasum": ""
             },
             "require": {
@@ -2869,7 +3051,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.14-dev"
+                    "dev-master": "1.15-dev"
                 }
             },
             "autoload": {
@@ -2905,20 +3087,34 @@
                 "portable",
                 "shim"
             ],
-            "time": "2020-01-13T11:15:53+00:00"
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-02-27T09:26:54+00:00"
         },
         {
             "name": "symfony/process",
-            "version": "v4.4.5",
+            "version": "v4.4.7",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/process.git",
-                "reference": "bf9166bac906c9e69fb7a11d94875e7ced97bcd7"
+                "reference": "3e40e87a20eaf83a1db825e1fa5097ae89042db3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/process/zipball/bf9166bac906c9e69fb7a11d94875e7ced97bcd7",
-                "reference": "bf9166bac906c9e69fb7a11d94875e7ced97bcd7",
+                "url": "https://api.github.com/repos/symfony/process/zipball/3e40e87a20eaf83a1db825e1fa5097ae89042db3",
+                "reference": "3e40e87a20eaf83a1db825e1fa5097ae89042db3",
                 "shasum": ""
             },
             "require": {
@@ -2954,20 +3150,34 @@
             ],
             "description": "Symfony Process Component",
             "homepage": "https://symfony.com",
-            "time": "2020-02-07T20:06:44+00:00"
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-03-27T16:54:36+00:00"
         },
         {
             "name": "symfony/routing",
-            "version": "v4.4.5",
+            "version": "v4.4.7",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/routing.git",
-                "reference": "4124d621d0e445732520037f888a0456951bde8c"
+                "reference": "0f562fa613e288d7dbae6c63abbc9b33ed75a8f8"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/routing/zipball/4124d621d0e445732520037f888a0456951bde8c",
-                "reference": "4124d621d0e445732520037f888a0456951bde8c",
+                "url": "https://api.github.com/repos/symfony/routing/zipball/0f562fa613e288d7dbae6c63abbc9b33ed75a8f8",
+                "reference": "0f562fa613e288d7dbae6c63abbc9b33ed75a8f8",
                 "shasum": ""
             },
             "require": {
@@ -3030,7 +3240,21 @@
                 "uri",
                 "url"
             ],
-            "time": "2020-02-25T12:41:09+00:00"
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-03-30T11:41:10+00:00"
         },
         {
             "name": "symfony/service-contracts",
@@ -3092,16 +3316,16 @@
         },
         {
             "name": "symfony/translation",
-            "version": "v4.4.5",
+            "version": "v4.4.7",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/translation.git",
-                "reference": "0a19a77fba20818a969ef03fdaf1602de0546353"
+                "reference": "4e54d336f2eca5facad449d0b0118bb449375b76"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/translation/zipball/0a19a77fba20818a969ef03fdaf1602de0546353",
-                "reference": "0a19a77fba20818a969ef03fdaf1602de0546353",
+                "url": "https://api.github.com/repos/symfony/translation/zipball/4e54d336f2eca5facad449d0b0118bb449375b76",
+                "reference": "4e54d336f2eca5facad449d0b0118bb449375b76",
                 "shasum": ""
             },
             "require": {
@@ -3164,7 +3388,21 @@
             ],
             "description": "Symfony Translation Component",
             "homepage": "https://symfony.com",
-            "time": "2020-02-04T09:32:40+00:00"
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-03-27T16:54:36+00:00"
         },
         {
             "name": "symfony/translation-contracts",
@@ -3225,16 +3463,16 @@
         },
         {
             "name": "symfony/var-dumper",
-            "version": "v4.4.5",
+            "version": "v4.4.7",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/var-dumper.git",
-                "reference": "2572839911702b0405479410ea7a1334bfab0b96"
+                "reference": "5a0c2d93006131a36cf6f767d10e2ca8333b0d4a"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/2572839911702b0405479410ea7a1334bfab0b96",
-                "reference": "2572839911702b0405479410ea7a1334bfab0b96",
+                "url": "https://api.github.com/repos/symfony/var-dumper/zipball/5a0c2d93006131a36cf6f767d10e2ca8333b0d4a",
+                "reference": "5a0c2d93006131a36cf6f767d10e2ca8333b0d4a",
                 "shasum": ""
             },
             "require": {
@@ -3297,7 +3535,21 @@
                 "debug",
                 "dump"
             ],
-            "time": "2020-02-24T13:10:00+00:00"
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2020-03-27T16:54:36+00:00"
         },
         {
             "name": "tijsverkoyen/css-to-inline-styles",
@@ -3350,16 +3602,16 @@
         },
         {
             "name": "vlucas/phpdotenv",
-            "version": "v3.6.1",
+            "version": "v3.6.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/vlucas/phpdotenv.git",
-                "reference": "8f7961f7b9deb3b432452c18093cf16f88205902"
+                "reference": "786a947e57086cf236cefdee80784634224b99fa"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/vlucas/phpdotenv/zipball/8f7961f7b9deb3b432452c18093cf16f88205902",
-                "reference": "8f7961f7b9deb3b432452c18093cf16f88205902",
+                "url": "https://api.github.com/repos/vlucas/phpdotenv/zipball/786a947e57086cf236cefdee80784634224b99fa",
+                "reference": "786a947e57086cf236cefdee80784634224b99fa",
                 "shasum": ""
             },
             "require": {
@@ -3369,10 +3621,12 @@
             },
             "require-dev": {
                 "ext-filter": "*",
+                "ext-pcre": "*",
                 "phpunit/phpunit": "^4.8.35 || ^5.0 || ^6.0 || ^7.0"
             },
             "suggest": {
-                "ext-filter": "Required to use the boolean validator."
+                "ext-filter": "Required to use the boolean validator.",
+                "ext-pcre": "Required to use most of the library."
             },
             "type": "library",
             "extra": {
@@ -3413,7 +3667,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-03-12T13:44:00+00:00"
+            "time": "2020-03-27T23:36:02+00:00"
         },
         {
             "name": "yajra/laravel-datatables-oracle",
diff --git a/public/datasetxml2oai-pmh.xslt b/public/datasetxml2oai-pmh.xslt
index f356f34..088deb5 100644
--- a/public/datasetxml2oai-pmh.xslt
+++ b/public/datasetxml2oai-pmh.xslt
@@ -350,7 +350,8 @@
       <!-- dc:date: embargo date -->
       <xsl:apply-templates select="EmbargoDate" mode="oai_dc" />
       <!-- dc:type -->
-      <xsl:apply-templates select="@Type" mode="oai_dc" />
+      <!-- <xsl:apply-templates select="@Type" mode="oai_dc" /> -->
+       <dc:type>Dataset</dc:type>
       <!-- dc:format -->
       <xsl:apply-templates select="File/@MimeType" mode="oai_dc" />
       <!-- dc:identifier -->
@@ -488,19 +489,20 @@
     <dc:date>
       <xsl:choose>
         <xsl:when test="PublishedDate">
-          <xsl:value-of select="PublishedDate/@Year"/>
--          <xsl:value-of select="format-number(PublishedDate/@Month,'00')"/>
--          <xsl:value-of select="format-number(PublishedDate/@Day,'00')"/>
-        </xsl:when>
-        <xsl:when test="CompletedDate">
-          <xsl:value-of select="CompletedDate/@Year"/>
--          <xsl:value-of select="format-number(CompletedDate/@Month,'00')"/>
--          <xsl:value-of select="format-number(CompletedDate/@Day,'00')"/>
-        </xsl:when>
+         <xsl:variable name="publishedDate" select="concat(
+                    PublishedDate/@Year, '-',
+                    format-number(PublishedDate/@Month,'00'), '-',
+                    format-number(PublishedDate/@Day,'00')        
+                )" />
+         <xsl:value-of select="$publishedDate" />
+        </xsl:when>       
         <xsl:otherwise>
-          <xsl:value-of select="ServerDatePublished/@Year"/>
--          <xsl:value-of select="format-number(ServerDatePublished/@Month,'00')"/>
--          <xsl:value-of select="format-number(ServerDatePublished/@Day,'00')"/>
+         <xsl:variable name="serverDatePublished" select="concat(
+                    ServerDatePublished/@Year, '-',
+                    format-number(ServerDatePublished/@Month,'00'), '-',
+                    format-number(ServerDatePublished/@Day,'00')        
+                )" />
+          <xsl:value-of select="$serverDatePublished" />
         </xsl:otherwise>
       </xsl:choose>
     </dc:date>
@@ -517,7 +519,7 @@
 
 
   <!-- für ListRecords -->
-  <xsl:template match="@Type" mode="oai_dc">
+  <!-- <xsl:template match="@Type" mode="oai_dc">
     <dc:type>
       <xsl:value-of select="." />
     </dc:type>
@@ -525,7 +527,7 @@
       <xsl:text>data-type:</xsl:text>
       <xsl:value-of select="." />
     </dc:type>
-  </xsl:template>
+  </xsl:template> -->
 
   <xsl:template match="File/@MimeType" mode="oai_dc">
     <dc:format>
diff --git a/public/prefixes/oai_datacite.xslt b/public/prefixes/oai_datacite.xslt
index 58902bc..7de45fa 100644
--- a/public/prefixes/oai_datacite.xslt
+++ b/public/prefixes/oai_datacite.xslt
@@ -73,15 +73,18 @@
             <contributors>
                 <xsl:apply-templates select="PersonContributor" mode="oai_datacite" />
             </contributors>
+            <dates>
+                <xsl:call-template name="RdrDate2" mode="oai_datacite" />
+            </dates>
             <resourceType resourceTypeGeneral="Dataset">
                 <xsl:text>Dataset</xsl:text>
                 <!-- <xsl:value-of select="@Type" /> -->
             </resourceType>
             <xsl:if test="Reference">
-            <relatedIdentifiers>
-                <xsl:apply-templates select="Reference" mode="oai_datacite" />
-            </relatedIdentifiers>
-             </xsl:if>
+                <relatedIdentifiers>
+                    <xsl:apply-templates select="Reference" mode="oai_datacite" />
+                </relatedIdentifiers>
+            </xsl:if>
             <rightsList>
                 <xsl:apply-templates select="Licence" mode="oai_datacite" />
             </rightsList>
@@ -112,6 +115,31 @@
         </resource>
     </xsl:template>
 
+    <xsl:template name="RdrDate2" mode="oai_datacite">
+        <xsl:if test="EmbargoDate">
+            <date>
+                <xsl:attribute name="dataType">Available</xsl:attribute>
+                <xsl:variable name="embargoDate" select="concat(
+                    EmbargoDate/@Year, '-',
+                    format-number(EmbargoDate/@Month,'00'), '-',
+                    format-number(EmbargoDate/@Day,'00')     
+                )" />
+                <xsl:value-of select="$embargoDate" />
+            </date>
+        </xsl:if>
+        <xsl:if test="CreatedAt">
+            <date>
+                <xsl:attribute name="dataType">created</xsl:attribute>
+                <xsl:variable name="createdAt" select="concat(
+                    CreatedAt/@Year, '-',
+                    format-number(CreatedAt/@Month,'00'), '-',
+                    format-number(CreatedAt/@Day,'00')        
+                )" />
+                <xsl:value-of select="$createdAt" />
+            </date>
+        </xsl:if>
+    </xsl:template>
+
     <xsl:template match="Coverage" mode="oai_datacite">
         <geoLocation>
             <geoLocationBox>
@@ -173,7 +201,7 @@
             <xsl:value-of select="@Value"/>
         </title>
     </xsl:template>
-     <xsl:template match="TitleAdditional" mode="oai_datacite">
+    <xsl:template match="TitleAdditional" mode="oai_datacite">
         <title>
             <xsl:if test="@Language != ''">
                 <xsl:attribute name="xml:lang">
@@ -191,34 +219,34 @@
 
     <xsl:template match="Subject" mode="oai_datacite">
         <subject>
-     <xsl:if test="@Language != ''">
-        <xsl:attribute name="xml:lang">
-          <xsl:value-of select="@Language" />
-        </xsl:attribute>
-      </xsl:if>
-      <xsl:value-of select="@Value" /> 
-      </subject>
-  </xsl:template>
+            <xsl:if test="@Language != ''">
+                <xsl:attribute name="xml:lang">
+                    <xsl:value-of select="@Language" />
+                </xsl:attribute>
+            </xsl:if>
+            <xsl:value-of select="@Value" />
+        </subject>
+    </xsl:template>
 
-   <xsl:template match="Reference" mode="oai_datacite">
+    <xsl:template match="Reference" mode="oai_datacite">
         <relatedIdentifier>
-     <xsl:attribute name="relatedIdentifierType">
-        <xsl:value-of select="@Type" />
-    </xsl:attribute>
-      <xsl:attribute name="relationType">
-        <xsl:value-of select="@Relation" />
-    </xsl:attribute>
-      <xsl:value-of select="@Value" /> 
-      </relatedIdentifier>
-  </xsl:template>
+            <xsl:attribute name="relatedIdentifierType">
+                <xsl:value-of select="@Type" />
+            </xsl:attribute>
+            <xsl:attribute name="relationType">
+                <xsl:value-of select="@Relation" />
+            </xsl:attribute>
+            <xsl:value-of select="@Value" />
+        </relatedIdentifier>
+    </xsl:template>
 
     <xsl:template match="PersonContributor" mode="oai_datacite">
         <contributor>
             <contributorName>
                 <xsl:if test="@NameType != ''">
-                <xsl:attribute name="nameType">
-                    <xsl:value-of select="@NameType" />
-                </xsl:attribute>
+                    <xsl:attribute name="nameType">
+                        <xsl:value-of select="@NameType" />
+                    </xsl:attribute>
                 </xsl:if>
                 <xsl:value-of select="@LastName" />
             </contributorName>
diff --git a/resources/views/frontend/dataset/show.blade.php b/resources/views/frontend/dataset/show.blade.php
index 9259751..c817433 100644
--- a/resources/views/frontend/dataset/show.blade.php
+++ b/resources/views/frontend/dataset/show.blade.php
@@ -98,10 +98,10 @@
                     <p class="dataset__abstract">Size: {{ $dataset->files()->count() }} </p>
 
                     @if($dataset->embargo_date != null)
-                    <p class="dataset__abstract">Ende des Embargo-Zeitraums:
+                    <p class="dataset__abstract">Datum der Freischaltung:
                       {{ $dataset->embargo_date->toDateString() }}</p>
-                    @else
-                    <p class="dataset__abstract">Ende des Embargo-Zeitraums: - </p>
+                    {{-- @else
+                    <p class="dataset__abstract">Datum der Freischaltung: - </p> --}}
                     @endif
 
                     @if($dataset->hasEmbargoPassed() == true)