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Farradane, J.E.L.: Classification Research Group (1966)
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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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Farradane, J.E.L.: Fundamental fallacies and new needs in classification (1985)
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Bakewell, K.G.B.; Rowland, G.: Indexing and abstracting (1993)
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Wan, T.-L.; Evens, M.; Wan, Y.-W.; Pao, Y.-Y.: Experiments with automatic indexing and a relational thesaurus in a Chinese information retrieval system (1997)
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Chowdhury, G.G.; Mahapatra, M.: Applications of the theory of relational analysis in information retrieval (1990)
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Green, R.: ¬The role of relational structures in indexing for the humanities (1997)
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