BibTeX Reference for “Research Report on Web Accessibility Metrics”

@TechReport{Vigo:12:RRW,
  author      = "Markel Vigo and Giorgio Brajnik and Joshue O'Connor",
  title       = "Research Report on Web Accessibility Metrics",
  month       = aug,
  note        = "https://www.w3.org/TR/2012/WD-accessibility-metrics-report-20120830/",
  year        = "2012",
  bibsource   = "https://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}