diff --git a/data/colors.xml b/data/colors.xml
index dba6030..6b85824 100644
--- a/data/colors.xml
+++ b/data/colors.xml
@@ -159,7 +159,7 @@
             </contributor>
           </contributors>
           <dates>
-            <date dateType="created">2020-09-11</date>
+            <date dateType="Created">2020-09-11</date>
           </dates>
           <resourceType resourceTypeGeneral="Dataset">Dataset</resourceType>
           <alternateIdentifiers>
diff --git a/package-lock.json b/package-lock.json
index 8ae2ea1..bfecf7b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -5269,9 +5269,9 @@
       "dev": true
     },
     "node_modules/core-js": {
-      "version": "3.22.7",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.22.7.tgz",
-      "integrity": "sha512-Jt8SReuDKVNZnZEzyEQT5eK6T2RRCXkfTq7Lo09kpm+fHjgGewSbNjV+Wt4yZMhPDdzz2x1ulI5z/w4nxpBseg==",
+      "version": "3.22.8",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.22.8.tgz",
+      "integrity": "sha512-UoGQ/cfzGYIuiq6Z7vWL1HfkE9U9IZ4Ub+0XSiJTCzvbZzgPA69oDF2f+lgJ6dFFLEdjW5O6svvoKzXX23xFkA==",
       "hasInstallScript": true,
       "funding": {
         "type": "opencollective",
@@ -12757,9 +12757,9 @@
       "dev": true
     },
     "node_modules/webpack": {
-      "version": "5.72.1",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.72.1.tgz",
-      "integrity": "sha512-dXG5zXCLspQR4krZVR6QgajnZOjW2K/djHvdcRaDQvsjV9z9vaW6+ja5dZOYbqBBjF6kGXka/2ZyxNdc+8Jung==",
+      "version": "5.73.0",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.73.0.tgz",
+      "integrity": "sha512-svjudQRPPa0YiOYa2lM/Gacw0r6PvxptHj4FuEKQ2kX05ZLkjbVc5MnPs6its5j7IZljnIqSVo/OsY2X0IpHGA==",
       "dev": true,
       "dependencies": {
         "@types/eslint-scope": "^3.7.3",
@@ -17475,9 +17475,9 @@
       "dev": true
     },
     "core-js": {
-      "version": "3.22.7",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.22.7.tgz",
-      "integrity": "sha512-Jt8SReuDKVNZnZEzyEQT5eK6T2RRCXkfTq7Lo09kpm+fHjgGewSbNjV+Wt4yZMhPDdzz2x1ulI5z/w4nxpBseg=="
+      "version": "3.22.8",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.22.8.tgz",
+      "integrity": "sha512-UoGQ/cfzGYIuiq6Z7vWL1HfkE9U9IZ4Ub+0XSiJTCzvbZzgPA69oDF2f+lgJ6dFFLEdjW5O6svvoKzXX23xFkA=="
     },
     "core-js-compat": {
       "version": "3.22.7",
@@ -23129,9 +23129,9 @@
       "dev": true
     },
     "webpack": {
-      "version": "5.72.1",
-      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.72.1.tgz",
-      "integrity": "sha512-dXG5zXCLspQR4krZVR6QgajnZOjW2K/djHvdcRaDQvsjV9z9vaW6+ja5dZOYbqBBjF6kGXka/2ZyxNdc+8Jung==",
+      "version": "5.73.0",
+      "resolved": "https://registry.npmjs.org/webpack/-/webpack-5.73.0.tgz",
+      "integrity": "sha512-svjudQRPPa0YiOYa2lM/Gacw0r6PvxptHj4FuEKQ2kX05ZLkjbVc5MnPs6its5j7IZljnIqSVo/OsY2X0IpHGA==",
       "dev": true,
       "requires": {
         "@types/eslint-scope": "^3.7.3",
diff --git a/src/models/pagination.ts b/src/models/pagination.ts
index 8f20702..ceedc2b 100644
--- a/src/models/pagination.ts
+++ b/src/models/pagination.ts
@@ -1,6 +1,6 @@
 import { Dataset } from "./dataset";
 
-export interface Pagination { 
+export interface Pagination {
     total: number;
     per_page?: number;
     current_page: number;
diff --git a/src/services/datacite_2_json.xsl b/src/services/datacite_2_json.xsl
index 3ac8c56..16074e9 100644
--- a/src/services/datacite_2_json.xsl
+++ b/src/services/datacite_2_json.xsl
@@ -6,50 +6,59 @@
                 xmlns:math="http://www.w3.org/2005/xpath-functions/math"              
                 expand-text="yes"
                 version="3.0">
-    <!-- exclude-result-prefixes="#all"  -->
-    
-    <xsl:output method="text" indent="yes"/>
-    <xsl:mode on-no-match="shallow-copy"/>
-    
-    <!-- <xsl:variable name="datacite-titles" select="//*[name() = 'titles']"/> -->
-    <xsl:variable name="datacite-records" select="//*[name() = 'resource']"/>
-    
-    <xsl:template match="/*" mode="#all">
-        <!-- <xsl:copy>
-             <xsl:apply-templates select="@*, node()" mode="#current"/>
-             </xsl:copy> -->
-        
-        <!-- <xsl:for-each select="$datacite-records/*[name() = 'record']">  -->
-        <xsl:for-each select="$datacite-records"> 
-        
-        {{            
-             <!-- <xsl:variable name="identifier" select="*[name() = 'identifier']"/>  -->
-             <!-- identifier: <xsl:value-of select="$identifier"/>, -->
-              <xsl:value-of select="*[name() = 'identifier']"/>
-             }},                           
-        
-        
-        </xsl:for-each>  
-        
-        <!-- <xsl:apply-templates select="//*[name() = 'resource']" /> -->
-        
-        <!-- <xsl:value-of select="$datacite-titles" separator="&#x20;"/> -->
-        
-    </xsl:template>
-    
-    <!-- <xsl:template match="metadata/resource/identifier">
-         
-         <xsl:value-of select="."/>
-         
-         </xsl:template> -->
-    <xsl:template match="//*[name() = 'resource']">
-        <xsl:apply-templates select="identifier" />
-    </xsl:template>
-    
-    <xsl:template match="identifier" >
-        <xsl:text>test</xsl:text>
-        <!-- <xsl:value-of select="@identifierType" /> 
-             <xsl:value-of select="string(.)"/>        -->
+     <!-- exclude-result-prefixes="#all"  -->
+     
+     <xsl:output method="text" indent="yes"/>
+     <xsl:mode on-no-match="shallow-copy"/>
+     
+     <!-- <xsl:variable name="datacite-titles" select="//*[name() = 'titles']"/> -->
+     <xsl:variable name="datacite-records" select="//*[name() = 'resource']"/>
+     
+     <xsl:template match="/*" mode="#all">
+          <!-- <xsl:copy>
+               <xsl:apply-templates select="@*, node()" mode="#current"/>
+               </xsl:copy> -->
+          
+          <!-- <xsl:for-each select="$datacite-records/*[name() = 'record']">  -->
+          <xsl:for-each select="$datacite-records">                
+               <!-- definbe variables -->
+               <xsl:variable name="identifier" select="*[name() = 'identifier']"/>
+               <xsl:variable name="datacite-titles" select="*[name() = 'titles']"/>
+               <xsl:variable name="main_title">
+                    <xsl:for-each select="$datacite-titles/*[name() = 'title']">
+                         <xsl:choose>
+                              <xsl:when test="not(count(@titleType) &gt; 0)">
+                                   <xsl:value-of select="."/>
+                              </xsl:when>                        
+                         </xsl:choose>
+                    </xsl:for-each>
+               </xsl:variable>  
+                <!-- <xsl:value-of select="*[name() = 'identifier']"/>    -->               
+               {{                       
+               "doi": "{$identifier}",
+               "title": "{$main_title}"
+               }},       
+          </xsl:for-each>  
+          
+          <!-- <xsl:apply-templates select="//*[name() = 'resource']" /> -->
+          
+          <!-- <xsl:value-of select="$datacite-titles" separator="&#x20;"/> -->
+          
      </xsl:template>
-    
+     
+     <!-- <xsl:template match="metadata/resource/identifier">
+          
+          <xsl:value-of select="."/>
+          
+          </xsl:template> -->
+     <xsl:template match="//*[name() = 'resource']">
+          <xsl:apply-templates select="identifier" />
+     </xsl:template>
+     
+     <xsl:template match="identifier" >
+          <xsl:text>test</xsl:text>
+          <!-- <xsl:value-of select="@identifierType" /> 
+               <xsl:value-of select="string(.)"/>        -->
+     </xsl:template>
+     
 </xsl:stylesheet>
\ No newline at end of file