BibTeX Reference for “CSS Namespaces Module”

@TechReport{Etemad:11:CNM,
  author      = "Elika Etemad and Anne van Kesteren",
  title       = "{CSS} Namespaces Module",
  month       = sep,
  note        = "https://www.w3.org/TR/2011/REC-css3-namespace-20110929/",
  year        = "2011",
  bibsource   = "https://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Recommendation",
  institution = "W3C",
}