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Alexander, B.B.; Gyeszly, S.D.: OPAC or card catalog : patrons preference in an academic library (1991)
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Butterfield, K.: Online Public Access Catalogs (OPACs) (2009)
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Davis, D.: FirstSearch: collection management and academic libraries (1993)
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Hufford, J.R.: Use studies and OPACs (1991)
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Lombardo, S.V.; Condic, K.S.: Empowering users with a new online catalog (2000)
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