Reference for “Content Selection Primer 1.0”

@TechReport{Lewis:07:CSP,
  author      = "Rhys Lewis and Roland Merrick",
  title       = "Content Selection Primer 1.0",
  month       = jan,
  note        = "http://www.w3.org/TR/2007/WD-cselection-primer-20070109/",
  year        = "2007",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}