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Tenopir, C.: Full text databases (1984)
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Tenopir, C.: Full text database retrieval performance (1985)
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Tenopir, C.: ¬The user-system interface (1989)
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Tenopir, C.: Searching by controlled vocabulary or free text (1987)
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Tenopir, C.: Evaluation criteria for online, CD-ROM (1992)
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Griffith, C.: FREESTYLE: LEXIS-NEXIS goes natural (1994)
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Pritchard-Schoch, T.: Comparing natural language retrieval : Win & Freestyle (1995)
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O'Leary, M.: Freestyle liberates Mead's data (1994)
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Paul, N.: Traditional newsbank serives : facing a challenging future (1994)
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Miller, D.J.: Advanced Freestyle searching with Lexis-Nexis (1997)
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