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Poetzsch, E.: Information Retrieval : Einführung in Grundlagen und Methoden (2001)
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Blair, D.C.: Language and representation in information retrieval (1991)
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Glöckner-Rist, A.: Suchfragen im Information Retrieval : eine empirische Untersuchung zum Rechercheverhalten von Informationsvermittlern und Endbenutzern (1992)
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