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Pedretti, G.: ¬L'¬uso dei cataloghi in biblioteca (1996)
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Balaam, A.: Approaches to library catalogues (1993)
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Connaway, L.S.; Johnson, D.W.; Searing, S.E.: Online catalogs from the users' perspective : the use of focus group interviews (1997)
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Cherry, J.M.; Clinton, M.: ¬An experimental investigation of two types of instruction for OPAC users (1991)
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