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Farradane, J.E.L.: Classification Research Group (1966)
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Farradane, J.: ¬The nature of information (1979)
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Farradane, J.E.L.: ¬A scientific theory of classification and indexing and its practical applications (1950)
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Farradane, J.E.L.: ¬A scientific theory of classification and indexing : further considerations (1952)
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Farradane, J.E.L.: ¬The challenge of information retrieval (1961)
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Shapira, B.: Hypertext browsing : a new model for information filtering based on user profiles and data clustering (1996)
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Crestani, F.; Rijsbergen, C.J. van: Information retrieval by logical imaging (1995)
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Choldin, M.T.: Beginning a conversation on access to information and freedom of expression (1996)
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Sebastiani, F.: On the role of logic in information retrieval (1998)
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Lalmas, M.: Logical models in information retrieval : introduction and overview (1998)
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