Reference for “Protocol for Web Description Resources (POWDER): Web Description Resources (WDR) Vocabulary”

@TechReport{Perego:07:PWD,
  author      = "Andrea Perego and Phil Archer",
  title       = "Protocol for Web Description Resources ({POWDER}): Web Description Resources ({WDR}) Vocabulary",
  month       = sep,
  note        = "http://www.w3.org/TR/2007/WD-powder-voc-20070925",
  year        = "2007",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{WD} not longer in development",
  institution = "W3C",
}