Reference for “W3C Multimodal Interaction Framework”

@TechReport{Larson:03:WMI,
  author      = "James A. Larson and David Raggett and T. V. Raman",
  title       = "{W3C} Multimodal Interaction Framework",
  month       = may,
  note        = "http://www.w3.org/TR/2003/NOTE-mmi-framework-20030506/",
  year        = "2003",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Note",
  institution = "W3C",
}