X-Git-Url: http://jsfdemo.indexdata.com/?a=blobdiff_plain;f=etc%2Fmarc21.xsl;h=8ef68ce9a15b49bba34b287ba3a468f08018410c;hb=838ce61b876f3a575182ab6048a8e2686f093738;hp=71178b70df6a3b156c7efe8c7e630a7a5a580b0d;hpb=05d6317190cd52051660b96a4fa873e5391bbc73;p=pazpar2-moved-to-github.git

diff --git a/etc/marc21.xsl b/etc/marc21.xsl
index 71178b7..8ef68ce 100644
--- a/etc/marc21.xsl
+++ b/etc/marc21.xsl
@@ -76,7 +76,14 @@
 
       <xsl:for-each select="marc:datafield[@tag='035']">
         <pz:metadata type="system-control-nr">
-	  <xsl:value-of select="marc:subfield[@code='a']"/>
+          <xsl:choose>
+            <xsl:when test="marc:subfield[@code='a']">
+              <xsl:value-of select="marc:subfield[@code='a']"/>
+            </xsl:when>
+            <xsl:otherwise>
+              <xsl:value-of select="marc:subfield[@code='b']"/>
+            </xsl:otherwise>
+          </xsl:choose>
 	</pz:metadata>
       </xsl:for-each>