Reference for “CSS3 module: Syntax”

@TechReport{Baron:03:CS,
  author      = "L. David Baron",
  title       = "{CSS3} module: Syntax",
  month       = aug,
  note        = "http://www.w3.org/TR/2003/WD-css3-syntax-20030813",
  year        = "2003",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}