+ <xsl:for-each select="marc:datafield[@tag='520']">
+ <pz:metadata type="description">
+ <xsl:value-of select="marc:subfield[@code='a']"/>
+ </pz:metadata>
+ </xsl:for-each>
+
+ <xsl:for-each select="marc:datafield[@tag='700']">
+ <pz:metadata type="author">
+ <xsl:value-of select="marc:subfield[@code='a']"/>
+ </pz:metadata>
+ </xsl:for-each>
+
+ <xsl:for-each select="marc:datafield[@tag='720']">
+ <pz:metadata type="author">
+ <xsl:value-of select="marc:subfield[@code='a']"/>
+ </pz:metadata>
+ </xsl:for-each>
+
+ <xsl:for-each select="marc:datafield[@tag='856']">
+ <pz:metadata type="url">
+ <xsl:value-of select="marc:subfield[@code='u']"/>
+ </pz:metadata>
+ </xsl:for-each>
+
+ <xsl:for-each select="marc:datafield[@tag='773']">
+ <pz:metadata type="citation">
+ <xsl:for-each select="*">
+ <xsl:value-of select="normalize-space(.)"/>
+ <xsl:text> </xsl:text>
+ </xsl:for-each>
+ </pz:metadata>
+ </xsl:for-each>
+