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Belkin, N.J.: ¬The problem of 'matching' in information retrieval (1980)
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Belkin, N.J.: ¬The cognitive viewpoint in information science (1990)
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Belkin, N.J.: Anomalous states of knowledge as a basis for information retrieval (1980)
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Belkin, N.J.: Cognitive models and information transfer (1984)
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Belkin, N.J.: Information concepts for information science (1978)
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Huang, M.-h.: Five fundamental concepts in information retrieval (1996)
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Baeza-Yates, R.A.: Introduction to data structures and algorithms related to information retrieval (1992)
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Bawden, D.; Robinson, L.; Siddiqui, T.: "Potentialities or possibilities" : towards quantum information science? (2015)
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Hjoerland, B.: Towards a theory of aboutness, subject, topicality, theme, domain, field, content ... and relevance (2001)
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Karamuftuoglu, M.: Designing language games in Okapi (1997)
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