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Brandt, D.S.: Ovid searching software (1996)
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Indexing techniques for advanced database systems (1997)
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Hess, M.: ¬An incrementally extensible document retrieval system based on linguistic and logical principles (1992)
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Cox, R.S.: Software reviews: spreadsheet program (1992)
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Latham, S.J.: Beyond Boolean logic : probabilistic approaches to text retrieval (1991)
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