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Vizine-Goetz, D.; Markey, K.: Characteristics of subject heading records in the machine-readable Library of Congress Subject Headings (1989)
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Vasiljev, A.: Thesaurus project of the Delft University of Technology Library : Allgemeiner Thesaurus für Bibliotheken (1982)
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Hufford, J.R.: Use studies and OPACs (1991)
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Rao, I.K.: ¬The distribution of scientific productivity and social change (1978)
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Kerslake, E.; Kinnel, M.: ¬The social impact of public libraries : a literatur review (1997)
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