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Wätjen, H.-J.: ORBIS, der Oldenburger Online-Benutzerkatalog (1991) 0.02

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Source: Der Online-Publikumskatalog der Universitätsbibliothek Düsseldorf: methodische Erkenntnisse und Erfahrungen, OPAC-Kolloquium am 27.-28.11.1989. Hrsg.: G. Gattermann

Wätjen, H.-J.: Zur Realität virtueller Bibliotheken : Möglichkeiten, Aufgaben, Probleme (1999) 0.02

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Source: 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

Diekmann, B.; Wätjen, H.-J.: Copacabana : Computer Aided Publishing, Administrating, Cataloguing, Bibliographic and Networked Access (2000) 0.02

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Source: Wissenschaft online: Elektronisches Publizieren in Bibliothek und Hochschule. Hrsg. B. Tröger

Wätjen, H.-J.: GERHARD : Automatisches Sammeln, Klassifizieren und Indexieren von wissenschaftlich relevanten Informationsressourcen im deutschen World Wide Web (1998) 0.01

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Theme: Klassifikationssysteme im Online-Retrieval

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