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Enderle, W.: Auf dem Weg zur digitalen Bibliothek : Projekte in Deutschland (1997)
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Bredemeier, W.; Schwuchow, W.: ¬Der Markt für elektronische Konsumentendienste und seine Bedeutung im Gesamtmarkt für elektronische Informationsdienste in Deutschland (1997)
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Stock, W.G.: Information Retrieval : Informationen suchen und finden (2007)
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Ellis, R.; Hindersmann, J.: Volltext- und Katalogverlinkungen in Online-Datenbanken (2003)
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Schwuchow, W.: Kann man Märkte messen? : eine Studie soll Informationsmärkte transparent und vergleichbar machen (1995)
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