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Reiner, U.: Anfragesprachen für Informationssysteme (1991)
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Schaarschmidt, R.: Archivierung in Datenbanksystemen : Konzept und Sprache (2001)
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Poetzsch, E.: Information Retrieval : Einführung in Grundlagen und Methoden (2001)
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- Grundlagen u. Einführungen: Allgemeine Literatur
