Reference for “Service Modeling Language, Version 1.1”

@TechReport{Smith:08:SML,
  author      = "Virginia Smith and Bhalchandra Pandit and Valentina Popescu",
  title       = "Service Modeling Language, Version {1.1}",
  month       = mar,
  note        = "http://www.w3.org/TR/2008/WD-sml-20080303/",
  year        = "2008",
  bibsource   = "http://webcapita.com/w3c-bibliography/2008/WD-sml-20080303/",
  type        = "Last Call {WD}",
  institution = "W3C",
}