Reference for “CSS Backgrounds and Borders Module Level 3”

@TechReport{Bos:09:CBB,
  author      = "Bert Bos and Elika J. Etemad and Brad Kemper",
  title       = "{CSS} Backgrounds and Borders Module Level 3",
  month       = oct,
  note        = "http://www.w3.org/TR/2009/WD-css3-background-20091015",
  year        = "2009",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "Last Call {WD}",
  institution = "W3C",
}