BibTeX Reference for “CSS Spatial Navigation Level 1”

@TechReport{Hong:19:CSN,
  author      = "Jihye Hong and Florian Rivoal",
  title       = "{CSS} Spatial Navigation Level 1",
  month       = nov,
  note        = "https://www.w3.org/TR/2019/WD-css-nav-1-20191126/",
  year        = "2019",
  bibsource   = "https://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}