@article{1991-Bruza-StratHypmed,
  author		= "Bruza, P.D. and Weide, Th.P. van der",
  title			= "{Stratified Hypermedia Structures for Information Disclosure}",
  journal		= "The Computer Journal",
  number		= "3",
  volume		= "35",
  year			= "1992",
  research_group	= "iris",
  pages			= "208--220",
  class			= "Journal"
}