David Raggett; Or Ben-Nattan. <a href="http://www.w3.org/TR/1998/NOTE-voice-0128"><cite>Voice Browsers.</cite></a> 28 January 1998. W3C Note. URL: <a href="http://www.w3.org/TR/1998/NOTE-voice-0128">http://www.w3.org/TR/1998/NOTE-voice-0128</a>