Steve Speicher; Petri Vuorimaa. <a href="http://www.w3.org/TR/2005/WD-CDFReqs-20051219"><cite>Compound Document Use Cases and Requirements Version 2.0.</cite></a> 19 December 2005. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2005/WD-CDFReqs-20051219">http://www.w3.org/TR/2005/WD-CDFReqs-20051219</a>