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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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- Source
- Zeitschrift für Bibliothekswesen und Bibliographie. 25(1978), S.281-306
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Hahn, G.: Catalogues and the documentation system of the Library of the German Bundestag (1977)
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- Source
- International journal of law libraries. 5(1977) H.1, S.95-103
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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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- Source
- Nachrichten für Dokumentation. 29(1978), S.232-236 (T.1); 30(1979), S.31-38 (T.2)