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Jascó, P.: Don't kiss Boolean goodbye : it's AND not OR, let alone XOR (1994)
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Larson, R.R.: Classification clustering, probabilistic information retrieval, and the online catalog (1991)
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Tenopir, C.: Online databases : natural language searching with WIN (1993)
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Harman, D.: User-friendly systems instead of user-friendly front-ends (1992)
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Hanson, T.A.; Hanson, A.C.: Managing bibliographies with Pro-Cite (1989)
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