@unpublished{vanDijk98-parliament,
  author	= {van Dijk, Teun A.},
  title		= {Categories for the critical analysis of Parliamentary debates about immigration},
  note		= {URL: http://www.hum.uva.nl/teun/categor2.htm},
  urlpage	= {http://www.hum.uva.nl/teun/categor2.htm},
  URL		= {http://www.hum.uva.nl/teun/categor2.htm},
  urlpage	= {http://www.hum.uva.nl/teun/categor2.htm},
  month		= may,
  year		= {1998},
}