Reference for “The Widget Interface”

@TechReport{Caceres:09:TWI,
  author      = "Marcos Caceres and Arve Bersvendsen and Robin Berjon",
  title       = "The Widget Interface",
  month       = dec,
  note        = "http://www.w3.org/TR/2009/CR-widgets-apis-20091222/",
  year        = "2009",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "Candidate Recommendation",
  institution = "W3C",
}