BibTeX Reference for “Non-element Selectors Module Level 1”

@TechReport{Kosek:19:NSM,
  author      = "Jirka Kosek and Tab Atkins Jr.",
  title       = "Non-element Selectors Module Level 1",
  month       = apr,
  note        = "https://www.w3.org/TR/2019/NOTE-selectors-nonelement-1-20190402/",
  year        = "2019",
  bibsource   = "https://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Note",
  institution = "W3C",
}