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OPACs: an overview (1993)
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Poo, D.C.C.; Khoo, C.S.G.: Online Catalog Subject Searching (2009)
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Willson, R.; Given, L.M.: ¬The effect of spelling and retrieval system familiarity on search behavior in online public access catalogs : a mixed methods study (2010)
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Troutman, L.: ¬The online public access catalog and music materials : issues for system and interface design (1992)
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Park, I.K.: Comparing major U.S. OPAC systems for developing countries (1997)
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