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  • × theme_ss:"OPAC"
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  1. Markey, K.: Subject searching in library catalogs : Before and after the introduction of online catalogs (1984) 5.27
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  2. Dreis, G.: Benutzerverhalten an einem Online-Publikumskatalog für wissenschaftliche Bibliotheken : Ergebnisse und Erfahrungen aus dem OPAC-Projekt der Universitätsbibliothek Düsseldorf (1994) 5.27
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  3. Peters, T.A.: ¬The online catalog : A critical examination of public use (1991) 5.27
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  4. Matthews, J.R.; Lawrence, G.S.; Ferguson, D.K.: Using online catalogs : a nationwide survey, a report of a study sponsored by the Council on Library Resources (1983) 5.27
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