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Bertelmann, R.; Rusch-Feja, D.: Informationsretrieval im Internet : Surfen, Browsen, Suchen - mit einem Überblick über strukturierte Informationsangebote (1997) 0.01

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Date: 28. 7.1997 19:07:50
9. 7.2000 11:31:22

Rusch-Feja, D.: Informationsvermittlung, Informationsretrieval und Informationsqualität im Internet (1996) 0.00

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Date: 15. 5.1999 14:14:28