@techreport{1997-Farkas-ConceptTowards,
  author		= "{Farkas}, J.I. and {Kamphuis}, V. and {Sarbo}, J.J.",
  title			= "{Natural Language Concept Analysis: Towards a Theoretical Foundation}",
  number		= "CSI--R9717",
  month			= "September",
  institution		= "Radboud University Nijmegen",
  organization		= "Radboud University Nijmegen",
  year			= "1997",
  code			= "icis.CSI-R9717",
  research_group	= "icis",
  class			= "Report"
}