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Lewis, D.W.: Research on the use of online catalogs and its implications for library practice (1987)
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Senzig, D.: Library catalogs for library users (1984)
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Ensor, P.: User characteristics of keyword searching in an OPAC (1992)
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Ensor, P.: User practices in keyword and Boolean searching on an online public access catalog (1992)
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Ballard, T.; Smith, J.: ¬The human interface : an ongoing study of OPAC usage at Adelphi University (1992)
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Peters, T.A.: ¬The online catalog : A critical examination of public use (1991)
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Peters, T.A.; Kurth, M.: Controlled and uncontrolled vocabulary subject searching in an academic library online catalog (1991)
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Thorne, R.; Whitlatch, J.B.: Patron online catalog success (1994)
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