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Zerbst, H.-J.; Kaptein, O.: Gegenwärtiger Stand und Entwicklungstendenzen der Sacherschließung : Auswertung einer Umfrage an deutschen wissenschaftlichen und Öffentlichen Bibliotheken (1993)
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Stumpf, G. (Bearb.): Beispielsammlung zu den Regeln für den Schlagwortkatalog (RSWK) (1999)
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Lehmann, K. u. K. Pohlenz (Bearb.): Klassifikation für Allgemeinbibliotheken : Teil Wissenschaftliche und Fachliteratur. Belletristik (KAB/E): Alphabetisches Schlagwortregister (1992)
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Heckmann, R.: "Systematik der Stadtbibliothek Duisburg" : Ausgabe 2001 veröffentlicht (2001)
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