<xsl:otherwise>PAZPAR2_NULL_VALUE</xsl:otherwise>
</xsl:choose>
</pz:metadata>
+ <pz:metadata type="available">
+ <xsl:choose>
+ <xsl:when test="string-length(available)">
+ <xsl:value-of select="available"/>
+ </xsl:when>
+ <xsl:otherwise>PAZPAR2_NULL_VALUE</xsl:otherwise>
+ </xsl:choose>
+ </pz:metadata>
<pz:metadata type="publicnote">
<xsl:choose>
<xsl:when test="publicNote">