</span>

            <xsl:choose>                        

                <xsl:when test="count(key('item-by-status', 'reference'))>0">

                    <span class="available">

                        <b><xsl:text>Copies available for reference: </xsl:text></b>

                        <xsl:variable name="reference_items" select="key('item-by-status', 'reference')"/>

                        <xsl:for-each select="$reference_items[generate-id() = generate-id(key('item-by-status-and-branch', concat(items:status, ' ', items:homebranch))[1])]">

                                <xsl:value-of select="items:homebranch"/>

                                <xsl:if test="items:itemcallnumber != '' and items:itemcallnumber"> [<xsl:value-of select="items:itemcallnumber"/>]</xsl:if>

                                <xsl:text> (</xsl:text>

                                <xsl:value-of select="count(key('item-by-status-and-branch', concat(items:status, ' ', items:homebranch)))"/>

                                <xsl:text> )</xsl:text>

                                <xsl:choose><xsl:when test="position()=last()"><xsl:text>. </xsl:text></xsl:when><xsl:otherwise><xsl:text>, </xsl:text></xsl:otherwise></xsl:choose>

                        </xsl:for-each>

                    </span>

                </xsl:when>

            </xsl:choose>