Gerald McCobb; et al. <a href="http://www.w3.org/TR/2006/NOTE-mmi-dev-feedback-20060414"><cite>Multimodal Application Developer Feedback.</cite></a> 14 April 2006. W3C Note. URL: <a href="http://www.w3.org/TR/2006/NOTE-mmi-dev-feedback-20060414">http://www.w3.org/TR/2006/NOTE-mmi-dev-feedback-20060414</a>