Reference for “Extensible Markup Language (XML) 1.1”

@TechReport{Maler:04:EML,
  author      = "Eve Maler and Fran\c{c}ois Yergeau and Tim Bray and Jean Paoli and C. M. Sperberg-McQueen and John Cowan",
  title       = "Extensible Markup Language ({XML}) {1.1}",
  month       = feb,
  note        = "http://www.w3.org/TR/2004/REC-xml11-20040204/",
  year        = "2004",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "first Edition of a Recommendation",
  institution = "W3C",
}