Reference for “Web Services Choreography Description Language: Primer”

@TechReport{Fletcher:06:WSC,
  author      = "Tony Fletcher and Steve Ross-Talbot",
  title       = "Web Services Choreography Description Language: Primer",
  month       = jun,
  note        = "http://www.w3.org/TR/2006/WD-ws-cdl-10-primer-20060619/",
  year        = "2006",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}