Reference for “Widget Packaging and Configuration”

@TechReport{Caceres:09:WPC,
  author      = "Marcos Caceres",
  title       = "Widget Packaging and Configuration",
  month       = dec,
  note        = "http://www.w3.org/TR/2009/CR-widgets-20091201/",
  year        = "2009",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "Candidate Recommendation",
  institution = "W3C",
}