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Austin, D.: PRECIS (2009)
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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.: Efficiency and effectiveness of deep structure based indexing languages : PRECIS vs. DSIS (1991)
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Austin, D.; Sørensen, J.: PRECIS in a multilingual context : Pt.2: A linguistic and logical explanation of the syntax. (1976)
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Richmond, P.A.: Classification from PRECIS : some possibilities (1976)
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