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  • × year_i:[1960 TO 1970}
  1. Soergel, D.: Mathematical analysis of documentation systems : an attempt to a theory of classification and search request formulation (1967) 0.00
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    Source
    Information storage and retrieval. 3(1967), S.129-173
  2. Austin, D.: Prospects for a new general classification (1969) 0.00
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    Source
    Journal of Librarianship. 1(1969) no.3, S.149-169
  3. Steinbuch, K.: ¬Die informierte Gesellschaft : Geschichte und Zukunft der Nachrichtentechnik (1969) 0.00
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    Pages
    256 S

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