<td>
  <gsf:switch>
    <gsf:metadata name="Title" select="parent"/>
    <gsf:when test="exists">
      <gsf:metadata name="Title" select="parent"/> Volume:<gsf:metadata name="Volume" select="parent"/> Number:<gsf:metadata name="Number" select="parent"/> - Page:<gsf:metadata name="Title"/>
    </gsf:when>
    <gsf:otherwise>
<gsf:metadata name="Title"/> Volume:<gsf:metadata name="Volume"/> Number:<gsf:metadata name="Number"/>
    </gsf:otherwise>
  </gsf:switch>
  <br/>
  <i>
    <gsf:choose-metadata>
      <gsf:metadata name="Date" format="formatDate" />
      <gsf:metadata name="Date" select="parent" format="formatDate" />
      <gsf:metadata name="Date" select="root" format="formatDate" />      
      <gsf:default>undated</gsf:default>
    </gsf:choose-metadata>
  </i>
</td>

