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Marner, J.C.: Measuring the success of keyword search strategy in an online catalog (1993)
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Vickery, B.C.; Vickery, A.: ¬An application of language processing for a search interface (1992)
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Bell, S.S.: Librarian's guide to online searching (2006)
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Tenopir, C.: Online databases : standardization across databases (1994)
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Feldman, S.: Testing natural language : comparing DIALOG, TARGET, and DR-LINK (1996)
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