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Lancaster, F.W.: Vocabulary control for information retrieval (1986)
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Rijsbergen, C.J. van: Information retrieval (1979)
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Grill, E.: Relationale Datenbanken; vom logischen Konzept zur physischen Realisierung : Ziele, Methoden, Fallstudie (1990)
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Blair, D.C.: Language and representation in information retrieval (1991)
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Hofmann, M.; Simon, L.: Problemlösung Hypertext : Grundlagen - Entwicklung - Anwendung (1995)
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