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Wallace, P.M.: Periodical title searching in online catalogues (1997)
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Lynch, C.A.: ¬The system perspective (1991)
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Kneedler, W.H.; Sizemore, E.J.: Speech synthesis + online library catalog = "talking catalog" (1993)
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Pejtersen, A.M.: Search strategies and database design (1988)
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Tague, J.: Negotiation at the OPAC interface (1989)
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Hildreth, C.R.: ¬The GUI OPAC : approach with caution (1995)
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Hug, H.; Nöthiger, R.: ETHICS: an online public access catalogue at ETH-Bibliothek, Zürich (1988)
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Salomonsen, A.: ¬The help system of REX at the Royal Library (1991)
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Mischo, W.H.; Cole, T.W.: ¬The Illinois extended OPAC : library information workstation design and development (1992)
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Cook, K.: ¬The incredible expanding OPAC (1994)
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Hufford, J.R.: Use studies and OPACs (1991)
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McCurley, H.H.; Weisbrod, E.J.: Use of series title authority cross-references at a large university library (1996)
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Park, I.: ¬A comparative study of major OPACs in selected academic libraries for developing countries : user study and subjective user evaluation (1997)
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Hogan, S.A.: Educating users about catalogues and cataloguing : the impossible dream (1993)
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Hancock-Beaulieu, M.; Walker, S.: ¬An evaluation of automatic query expansion in an online library catalogue (1992)
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