Reference for “XProc: An XML Pipeline Language”

@TechReport{Thompson:08:XAX,
  author      = "Henry S. Thompson and Alex Milowski and Norman Walsh",
  title       = "{XProc}: An {XML} Pipeline Language",
  month       = may,
  note        = "http://www.w3.org/TR/2008/WD-xproc-20080501/",
  year        = "2008",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}