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Indexing: the state of our knowledge and the state of our ignorance : Proc. of the 20th Annual Meeting of the American Society of Indexers, New York, 13.5.1988 (1989) 0.03

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Kumar, K.: Theory of classification (1989) 0.01

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Date: 25. 3.2019 18:15:22

Lancaster, F.W.: Vocabulary control for information retrieval (1986) 0.01

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Date: 22. 4.2007 10:07:51

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