Reference for “Web Services Architecture Requirements”

@TechReport{Austin:04:WSA,
  author      = "Daniel Austin and Abbie Barbir and Sharad Garg and Christopher Ferris",
  title       = "Web Services Architecture Requirements",
  month       = feb,
  note        = "http://www.w3.org/TR/2004/NOTE-wsa-reqs-20040211",
  year        = "2004",
  bibsource   = "http://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Note",
  institution = "W3C",
}