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Stock, W.G.: Wissenschaftsinformatik : Fundierung, Gegenstand und Methoden (1980)
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Warner, A.J.: Natural language processing (1987)
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Sukiasyan, E.: ¬The new state standard of the USSR : Sytematization of documents. General requirements (1987)
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Smeaton, A.F.; Rijsbergen, C.J. van: ¬The retrieval effects of query expansion on a feedback document retrieval system (1983)
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Subject analysis: summary report of the racism and sexism in subject analysis subcommittee to the RTSD/CCS subject analysis committee (1981)
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