@misc{xml-97,
  author	= {Consortium, World Wide Web},
  title		= {Extensible Markup Language (XML)},
  howpublished	= {Available at http://www.w3.org/TR/PR-xml.html},
  urlpage	= {http://www.w3.org/TR/PR-xml.html},
  URL		= {http://www.w3.org/TR/PR-xml.html},
  urlpage	= {http://www.w3.org/TR/PR-xml.html},
  year		= {1997}
}