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Grill, E.: Relationale Datenbanken; vom logischen Konzept zur physischen Realisierung : Ziele, Methoden, Fallstudie (1990)
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- Issue
- 4., aktualisierte u. erw. Aufl.
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Meadow, C.T.: Text information retrieval systems (1992)
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Blair, D.C.: Language and representation in information retrieval (1991)
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