</xsl:for-each>
<xsl:for-each select="tmarc:d903">
- <xsl:if test="tmarc:sa">
+ <xsl:if test="number(tmarc:sa) > 0">
<pz:metadata type="publication-date">
- <xsl:value-of select="substring(tmarc:sa,1,4)"/>
+ <xsl:value-of select="number(tmarc:sa)"/>
</pz:metadata>
<pz:metadata type="date">
- <xsl:value-of select="substring(tmarc:sa,1,4)"/>
+ <xsl:value-of select="number(tmarc:sa)"/>
</pz:metadata>
</xsl:if>
</xsl:for-each>