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Dehnhard, H.: Probleme der Bearbeitung eines Allgemeinthesaurus auf der Grundlage der Dezimalklassifikation mit Hilfe der elektronischen Datenverarbeitung (1974)
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- Mitteilungen der Gesellschaft für Bibliothekswesen und Dokumentation des Landbaues. 1974, H.21, S.55-68
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Dehnhard, H.: Aufbau und Benutzung eines DK-Thesaurus : Probleme und Möglichkeiten der Sachkatalogisierung mit Hilfe der elektronischen Datenverarbeitung (1971)
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Vickery, B.C.: Classificatory principles in natural language indexing systems (1976)
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- Classification in the 1970s: a second look. Rev. ed. Ed.: A. Maltby
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Wilson, T.D.: ¬The work of the British Classification Research Group (1972)
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- Contributions in librarianship and information science; 3
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- Subject retrieval in the seventies: new directions. Proc. of an int. symp. ... College Park, 14.-15.5.1971. Ed.: H.H. Wellisch u.a
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Austin, D.: ¬The CRG research into a freely faceted scheme (1976)
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- Classification in the 1970s. Rev. ed
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Austin, D.: Citation order and linguistic structure (1976)
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- The variety of librarianship. Essays in honor of J. W. Metcalfe. Ed. by W. Boyd Rayward
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Unesco thesaurus : a structured list of descriptors for indexing and retrieving literature in the fields of education, science, social science, culture and communication (1977)
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