Mark Birbeck; Shane McCarron. <a href="http://www.w3.org/TR/2007/WD-xml-events-20070216"><cite>XML Events 2.</cite></a> 16 February 2007. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2007/WD-xml-events-20070216">http://www.w3.org/TR/2007/WD-xml-events-20070216</a>