Robin Berjon. <a href="http://dev.w3.org/2009/dap/device/"><cite>Core Device Interfaces.</cite></a> 02 December 2009. W3C Editor's Draft. (Work in progress.) URL: <a href="http://dev.w3.org/2009/dap/device/">http://dev.w3.org/2009/dap/device/</a>