Mike Squillace; Carlos Iglesias. <a href="http://www.w3.org/TR/2009/WD-Pointers-in-RDF-20090310"><cite>Pointer Methods in RDF.</cite></a> 10 March 2009. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2009/WD-Pointers-in-RDF-20090310">http://www.w3.org/TR/2009/WD-Pointers-in-RDF-20090310</a>