Christopher Ferris; Yves Lafon. <a href="http://www.w3.org/TR/2007/WD-soap12-mtom-policy-20070918"><cite>MTOM Serialization Policy Assertion 1.1.</cite></a> 18 September 2007. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2007/WD-soap12-mtom-policy-20070918">http://www.w3.org/TR/2007/WD-soap12-mtom-policy-20070918</a>