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  • × author_ss:"Keller, R.K."
  • × theme_ss:"Begriffstheorie"
  1. Gerbé, O.; Mineau, G.W.; Keller, R.K.: Conceptual graphs, metamodelling, and notation of concepts : fundamental issues (2000) 0.00
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    Date
    19.10.1996 9:59:12