Reference for “Delivery Context Ontology”

@TechReport{Fonseca:09:DCO,
  author      = "Jos\'{e} Manuel Cantera Fonseca and Rhys Lewis",
  title       = "Delivery Context Ontology",
  month       = jun,
  note        = "http://www.w3.org/TR/2009/WD-dcontology-20090616/",
  year        = "2009",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "Last Call {WD}",
  institution = "W3C",
}