Glenn Adams. <a href="http://www.w3.org/TR/2006/CR-ttaf1-dfxp-20061116"><cite>Timed Text (TT) Authoring Format 1.0&#160;&#8211; Distribution Format Exchange Profile (DFXP).</cite></a> 16 November 2006. W3C Candidate Recommendation. (Work in progress.) URL: <a href="http://www.w3.org/TR/2006/CR-ttaf1-dfxp-20061116">http://www.w3.org/TR/2006/CR-ttaf1-dfxp-20061116</a>