<!-- Author field -->
            <xsl:for-each select="a1">
                <dcvalue element="contributor" qualifier="author">
                    <xsl:choose> <!-- Adds a space after the comma that seperates first and last names -->
                        <xsl:when test="contains(.,',')">
                            <xsl:variable name="last" select="substring-before(.,',')"/>
                            <xsl:variable name="first"  select="substring-after(.,',')"/>
                            <xsl:value-of select="concat($last,', ',$first)"/>
                        </xsl:when>
                        <xsl:otherwise>
                            <xsl:apply-templates/>
                        </xsl:otherwise>
                    </xsl:choose>
                </dcvalue>
            </xsl:for-each>