Jim Larson. <a href="http://www.w3.org/TR/2000/WD-voice-intro-20001204"><cite>Voice Browsers, Introduction.</cite></a> 4 December 2000. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2000/WD-voice-intro-20001204">http://www.w3.org/TR/2000/WD-voice-intro-20001204</a>