@article{1997-Hofstede-CTappl,
  author		= "{Hofstede}, A.H.M. ter and {Lippe}, E. and {van der Weide}, Th.P.",
  title			= "{Applications of a Categorical Framework for Conceptual Data Modeling}",
  journal		= "Acta Informatica",
  number		= "12",
  volume		= "34",
  month			= "December",
  year			= "1997",
  research_group	= "iris",
  pages			= "927--963",
  class			= "Journal"
}