@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" }