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Niewalda, P.: Hat der Schlagwortkatalog eine Zukunft? (1978)
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Oberschelp, R.: Einheitsklassifikation und Münchener Klassifikation (1975/76)
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Oberschelp, R.: Thesen zur Einheitsklassifikation (1977)
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Niewalda, P.: Datenverarbeitung in Bibliotheken : Anmerkungen zu Winfried Gödert: Gegenwart und Zukunft der bibliothekarischen Sacherschließung. Gedanken unter Berücksichtigung des EDV-Einsatzes (1982)
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Niewalda, P.: Ausgabeprobleme bei wachsenden Datenmengen und die Zukunft der EDV-Kataloge (1976)
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Jochum, U.: ¬Der Deutsche Gesamtkatalog (1993)
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Bless, B.: Gesamtkatalog und einheitlicher Zetteldruck : II. Acht Thesen zum Gesamtkatalog (1906)
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Staatsbibliothek zu Berlin: Datenbank "Gesamtkatalog der Wiegendrucke" online (2003)
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Suckow, N.; Klarkowski, W.: ¬Die Datenbank "Gesamtkatalog der Wiegendrucke" (2004)
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Horstmann, K.-W.; Niggemeyer, E.: EDV-Gesamtkatalog für die Universität Hohenheim (1994)
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