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Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987)
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- Source
- Annual review of information science and technology. 22(1987), S.109-145
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Croft, W.B.: Approaches to intelligent information retrieval (1987)
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Croft, W.B.; Thompson, R.H.: I3R: a new approach to the desing of document retrieval systems (1987)
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