Krebs, R.: ¬Der Informationsmarkt : Stand, Tendenzen und Prognosen für die 90er Jahre (1993)
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- Source
- Technik und Information: Markt, Medien und Methoden. Deutscher Dokumentartag 1992, Technische Universität Berlin, 22.-25.9.1992. Hrsg.: W. Neubauer u. K.-H. Meier