BibTeX Reference for “Comparison of SGML and XML”

@TechReport{Clark:97:CSX,
  author      = "James Clark",
  title       = "Comparison of {SGML} and {XML}",
  month       = dec,
  note        = "https://www.w3.org/TR/NOTE-sgml-xml-971215",
  year        = "1997",
  bibsource   = "https://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Note",
  institution = "W3C",
}