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Belkin, N.J.: ¬The use of multiple information problem representation for information retrieval (1994)
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Connell, T.H.: ¬The need for funded research (1992)
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Hjoerland, B.: ¬The classification of psychology : a case study in the classification of a knowledge field (1998)
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Kunz, M.: Subject retrieval in distributed resources : a short review of recent developments (2003)
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Ellis, D.: ¬The dilemma of measurement in information retrieval research (1996)
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