
Richmond, P.A.: Futuristic aspects of subject access (1983)
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Richmond, P.A.: Precedentsetting contributions to modern classification (1988)
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Richmond, P.A.: Classification from PRECIS : some possibilities (1976)
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Richmond, P.A.: ¬The future of classification (1974)
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Richmond, P.A.: Reading list in classification theory (1972)
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Austin, D.: PRECIS (2009)
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Weintraub, D.K.: ¬An extended review of PRECIS (1979)
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Austin, D.; Digger, J.A.: PRECIS: The Preserved Context Index System (1985)
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Bidd, D.; Chevigny, L. de; Marshall, M.: PRECIS for subject access in a national audiovisual information system (1986)
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Austin, D.: PRECIS: Introduction (1987)
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