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Griesbaum, J.; Rittberger, M.; Bekavac, B.: Deutsche Suchmaschinen im Vergleich : AltaVista.de, Fireball.de, Google.de und Lycos.de (2002)
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Bocek, K.; Bhattacharjee, E.; Ockenfeld, M.; Genth, P.; Herget, J.; Neißer, H.; Nerlich, H.; Rittberger, M.; Schumacher, D.: "Fachinformation und Fachkommunikation in der Informations- und Wissensgesellschaft - Eckwerte für eine neue Fachinformationspolitik in der Bundesrepublik" vom September 1999 : Stellungnahme der DGI zu den Eckwerten des Arbeitskreises "Zukunft der Fachinformation" (2000)
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Rittberger, M.; Köhne, B.; Graumann, S.; Högermeyer, C.; Lankenau, I.; Womser-Hacker, C.: ¬Das Projekt DECIDoc in Deutschland : Anpassung des Handbuchs und erste Evaluierung des Zertifizierungsverfahrens (2000)
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Rittberger, M.; Semar, W.: Regionale elektronische Zeitungen : Qualitätskriterien und Evaluierung (2000)
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- Informationskompetenz - Basiskompetenz in der Informationsgesellschaft: Proceedings des 7. Internationalen Symposiums für Informationswissenschaft (ISI 2000), Hrsg.: G. Knorz u. R. Kuhlen
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Rittberger, M.: Informationsqualität (2004)
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- Grundlagen der praktischen Information und Dokumentation. 5., völlig neu gefaßte Ausgabe. 2 Bde. Hrsg. von R. Kuhlen, Th. Seeger u. D. Strauch. Begründet von Klaus Laisiepen, Ernst Lutterbeck, Karl-Heinrich Meyer-Uhlenried. Bd.1: Handbuch zur Einführung in die Informationswissenschaft und -praxis
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Griesbaum, J.; Rittberger, M.: ¬A collaborative lecture in information retrieval for students at universities in Germany and Switzerland (2005)
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