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Low, K.: ABCs of OPACs (1994)
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Kalin, S.W.: ¬The searching behavior of remote users : a study of one online public access catalog (OPAC) (1991)
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Schlegl, K.: ¬The reference world expands : new options for answering questions (1998)
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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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Sloan, B.G.: Remote access : design implications for the online catalog (1991)
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