Reference for “CSS Printing Extensions”

@TechReport{Lie:99:CPE,
  author      = "H\aa{}kon Wium Lie and Stephen Waters and Robert Stevahn",
  title       = "{CSS} Printing Extensions",
  month       = sep,
  note        = "http://www.w3.org/TR/1999/WD-print-19990902",
  year        = "1999",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}