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- author's%3a%22Schneider%2c G.%22 2
- authors%3a%22Schneider%2c G.%22 2
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Wätjen, H.-J.: ORBIS, der Oldenburger Online-Benutzerkatalog (1991)
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- Der Online-Publikumskatalog der Universitätsbibliothek Düsseldorf: methodische Erkenntnisse und Erfahrungen, OPAC-Kolloquium am 27.-28.11.1989. Hrsg.: G. Gattermann
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Wätjen, H.-J.: Zur Realität virtueller Bibliotheken : Möglichkeiten, Aufgaben, Probleme (1999)
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- Service im Wandel: Bestandssicherung, Elektronische Bibliothek, Veränderungsmanagement. 27. Arbeits- und Fortbildungstagung der ASpB / Sektion 5 im DBV in Zusammenarbeit mit der GBDL, Dresden, 22.-27.2.1999. Bearb. von M. Brauer