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Bhattacharyya, G.: POPSI: a system for depth indexing (1985)
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Bhattacharyya, G.: ¬A general theory of subject headings (1974)
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Bhattacharyya, G.: Project on study of subjects (1975)
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Bhattacharyya, G.: Fundamentals of subject indexing languages (1979)
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Bhattacharyya, G.: Classifying by UDC and CC: a comparative study (1972)
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Raghavan, K.S.: ¬The general theory of classification as the basis for structuring of subject headings (1985(?))
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Kumar, T.V.R.; Parameswaran, M.: Chain indexing and LISA (1998)
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Parameswaran, M.: Chain procedure and Dewey Decimal Classification (1990)
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Sukiasyan, E.: ¬The ideas of S.R. Ranganathan in Russia : Results and tendencies (1992)
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Classification and communication : Papers presented at the 2nd Regional Conference of International Federation for Documentation, Committee on Classification research (FID/CR), 15.11.1985, New Dehli (1985(?))
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