Reference for “Authoring Tool Accessibility Guidelines 2.0”

@TechReport{Treviranus:08:ATA,
  author      = "Jutta Treviranus and Jan Richards",
  title       = "Authoring Tool Accessibility Guidelines 2.0",
  month       = mar,
  note        = "http://www.w3.org/TR/2008/WD-ATAG20-20080310/",
  year        = "2008",
  bibsource   = "http://webcapita.com/w3c-bibliography/2008/WD-ATAG20-20080310/",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}