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Hahn, G.: ¬Die Entwicklung der Wirtschaftswissenschaften im Spiegel von Klassifikationssystemen : ein Beitrag zur Wissenschafts- und Klassifikationskunde der Nationalökonomie (1978)
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Hahn, G.: Sacherschließung durch Schlagwortkataloge : theoretische und praktische Fragen, dargestellt am Beispiel der Bibliotheken der Industrie- und Handelskammern (1983)
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Hahn, G.: ¬Die Bibliothek des Deutschen Bundestages : Informationsbasis für die parlamentarische Arbeit (1983)
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Hahn, G.: Information und Dokumentation in der Bibliothek des Deutschen Bundestages : ein Beispiel der Praxis für die Einheit bibliothekarischer und dokumentarischer Prinzipien (1978-79)
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Addison, E.R.; Wilson, H.D.; Feder, J.: ¬The impact of plain English searching on end users (1993)
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Wiggins, R.; Matthews, J.A.: Plateaus, peaks, and promises : the Infonortics '98 search engines conference (1998)
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