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Villiers, L. de: On-line subject retrieval on CPALS : help us choose! (1996)
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Chan, L.M.: ¬The Library of Congress Classification System in an online environment (1990)
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Wood, A.J.: OPACs in public libraries : a second look (1989)
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Jeffreys, A.: OPAC use at Newcastle (1991)
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Dijk, J.v.: Foundation, de basis voor een successvolle klantenbenadering : nieuw catalogusconcept op basis van wensprofielen (1995)
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