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Ewert, G.: ¬Die Reform des Sachkataloges an der Universitätsbibliothek Rostock (1965)
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Ewert, G.: Zur Benutzung von Katalogen und Lesesälen in wissenschaftlichen Bibliotheken. T.1-2 (1990)
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Ewert, H.: Aktuelle Tendenzen der Fachinformationspolitik in Deutschland : Das interdisziplinäre Metaportal Vascoda (2004)
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