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Biswas, S.C.; Smith, F.: Computerized Deep Structure Indexing System : a critical appraisal (1988)
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Biswas, S.C.: Two decades of POPSI, 1969-1988 : a literature review (1988)
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Mahapatra, M.; Biswas, S.C.: PRECIS: its history and application : an extented state-of-the-art review from the beginning up to 1982 (1983)
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Mahapatra, M.; Biswas, S.C.: Interdependence of PRECIS role operators : a quantitative analysis of their associations (1986)
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Biswas, S.C.; Smith, F.: Term and cross reference structure in computerized Deep Structure Indexing System (1988)
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Biswas, S.C.; Smith, F.: Classed thesauri in indexing and retrieval : a literature review and critical evaluation of online alphabetic classaurus (1989)
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Mahapatra, M.; Biswas, S.C.: Efficiency of PRECIS role operators (1984)
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Biswas, S.C.; Smith, F.: Efficiency and effectiveness of deep structure based indexing languages : PRECIS vs. DSIS (1991)
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