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Pflug, G.: Zentrale Dienstleistungen bei der Sacherschließung : Voraussetzungen für eine einheitliche Schlagwortvergabe (1977)
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Pflug, G.: Stand der Arbeiten an den neuen Katalogisierungsregeln (1969)
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Pflug, W.: ¬Die Systematik der Universitätsbibliothek der Technischen Universität München (1987)
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Pflug, G.: Classification in the libraries of the German Federal Republic (1982)
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Pflug, G.: ¬Die automatisierten Dienstleistungen der Deutschen Bibliothek und ihre Voraussetzugen in den deutschen Bibliotheken (1979)
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Galindo, F.; Lasala, P.: Metodologia para el desarollo de sistemas juridicos de intelegencia artificial : el prototipo ARPO-2 como ejemplo (1995)
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Amstutz, H.; Holländer-Thönssen, B.: Elektronische Ablage und Archivierung auf der Basis eines Database Management Information Retrieval Systems : Die Bedürfnisse - Das Angebot - Die Realität (1991)
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Kowalski, G.: Information retrieval systems : theory and implemetation (1997)
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Jin, Z.; Yuan, C.: On the ambiguity of information retrieval for visualization (1998)
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