Norman Walsh. <a href="http://www.w3.org/TR/2006/WD-namespaceState-20060329"><cite>The Disposition of Names in an XML Namespace.</cite></a> 29 March 2006. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2006/WD-namespaceState-20060329">http://www.w3.org/TR/2006/WD-namespaceState-20060329</a>