Reference for “OWL Web Ontology Language Reference”

@TechReport{Schreiber:04:OWO,
  author      = "Guus Schreiber and Mike Dean",
  title       = "{OWL} Web Ontology Language Reference",
  month       = feb,
  note        = "http://www.w3.org/TR/2004/REC-owl-ref-20040210/",
  year        = "2004",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Recommendation",
  institution = "W3C",
}