diff --git a/xslt/software/xslt-software-OpenAire.xslt b/xslt/software/xslt-software-OpenAire.xslt
index 16486f28..904cffff 100644
--- a/xslt/software/xslt-software-OpenAire.xslt
+++ b/xslt/software/xslt-software-OpenAire.xslt
@@ -62,16 +62,21 @@ Content generated by zbMATH Open, such as reviews, classifications, software, or
            <dc:language>eng</dc:language>
            <xsl:apply-templates select="root/standard_articles/source"/>
            <xsl:apply-templates select="root/standard_articles/title"/>
-           <datacite:date dateType="Issued">
-            <xsl:choose>
-                <xsl:when test="root/standard_articles/year[normalize-space(.) != '' and . != 'None']">
-                     <xsl:value-of select="root/standard_articles/year[not(. > ../../standard_articles/year)]"/>
-                </xsl:when>
-                <xsl:otherwise>
-                    <xsl:apply-templates select="root/references_year_alt[1]"/>
-                </xsl:otherwise>
-            </xsl:choose>
-        </datacite:date>
+        <datacite:date dateType="Issued">
+    <xsl:choose>
+        <xsl:when test="root/standard_articles/year[normalize-space(.) != '' and . != 'None']">
+            <xsl:value-of select="root/standard_articles/year[not(. > ../../standard_articles/year)]"/>
+        </xsl:when>
+        <xsl:when test="root/references_year_alt[1] and not(starts-with(root/references_year_alt[1], '0'))">
+            <xsl:apply-templates select="root/references_year_alt[1]"/>
+        </xsl:when>
+        <xsl:otherwise>
+            <xsl:apply-templates select="root/source_year"/>
+        </xsl:otherwise>
+    </xsl:choose>
+</datacite:date>
+
+
 
   </resource>
 
@@ -185,5 +190,11 @@ Content generated by zbMATH Open, such as reviews, classifications, software, or
     </xsl:if>
 </xsl:template>
 
+     <xsl:template match="source_year">
+          <xsl:if test="normalize-space(.) != '' and . != 'None'">
+          <xsl:value-of select="."/>
+         </xsl:if>
+    </xsl:template>
+
 
 </xsl:stylesheet>
\ No newline at end of file