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Park, I.K.: Comparing major U.S. OPAC systems for developing countries (1997)
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Tarver, H.; Phillips, M.: Integrating image-based research datasets into an existing digital repository infrastructure (2013)
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Cherry, J.M.; Clinton, M.: OPACs at five Ontario universities : a profile of users and user satisfaction (1992)
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Hawkins, D.T.: Web-based training for online retrieval : some examples (1997)
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