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  • × theme_ss:"Klassifikationstheorie: Elemente / Struktur"
  • × type_ss:"a"
  • × year_i:[1960 TO 1970}
  1. Moss, R.: Categories and relations : Origins of two classification theories (1964) 0.00 
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    Source
    American documentation. 15(1964), S.296-301
  2. Hillman, D.J.: Mathematical classification techniques for nonstatic document collections, with particular reference to the problem of relevance (1965) 0.00 
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    Pages
    S.177-218

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