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Lancaster, F.W.: Vocabulary control for information retrieval (1986)
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Cleveland, D.B.; Cleveland, A.D.: Introduction to abstracting and indexing (2001)
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Cleveland, D.B.; Cleveland, A.D.: Introduction to abstracting and indexing (1990)
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Hedden, H.: ¬The accidental taxonomist (2012)
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14. 2.2014 12:36:10