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Bertelsmann-Lexikodisc : das Wissen der Welt auf CD-ROM (1993)
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Mischke, I.: Allgemeine Jahrbücher und ihr Nutzwert für den Informationsdienst : Auswahl und kritischer Vergleich von mindestens zehn laufend erscheinenden Werken aus dem deutschen und englischen Sprachbereich (1979)
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Pflug, G.: ¬Das Internationale Biographische Informationssystem (1994)
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Klau, P.; Klau, M.: ¬Das Internet-Adreßbuch (1995)
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Brockhaus-Enzyklopädie (1986-1994)
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Enzyklopädische Informationen im 19. Jahrhundert : die Ergänzungswerke zum Brockhaus Konversationslexikon: 'Zeitgenossen' - 'Die Gegenwart' - 'Unsere Zeit'. Mit einem Gesamtregister, herausgegeben von O. Seemann (1995)
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Bertelsmann-Lexikodisc : das Wissen der Welt auf CD-ROM (1989)
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¬Das multimediale Kombipaket : Planet Erde und Großer Atlas der Welt (1998)
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Harenberg-Kompaktlexikon : in 5 Bänden (1994)
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Meyers großes Taschenlexikon (1995)
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Meyers Taschenlexikon : in 12 Bänden (1996)
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Vögel unserer Heimat (1995)
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Brockhaus-Enzyklopädie : Bd.30: Ergänzungen A-Z (1996)
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Harenberg-Kompaktlexikon : Bd.1-3 (1996)
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IBZ-CD-ROM: Internationale Bibliographie der Zeitschriftenliteratur aus allen Gebieten des Wissens : CD-ROM (1994-)
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IBZ-CD-ROM: Internationale Bibliographie der Zeitschriftenliteratur aus allen Gebieten des Wissens : CD-ROM (1997)
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IBR-CD-ROM: Internationale Bibliographie der Rezensionen wissenschaftlicher Literatur : wissenschaftliche Monographien; wissenschaftliche Rezensionen; Monographien-Datenbank; CD-ROM (1997)
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Harenberg Schlüsseldaten 20. Jahrhundert : Das Lexikon über unser Jahrhundert - Die entscheidenden Ereignisse von 1900 bis heute in Wort und Bild (1996)
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Fuhrig, D.: Wissensportale weit geöffnet : Das 'e', das 'i' und bedruckte Bürotassen: Multimedia-Initiativen der Verlage im Herbst (1999)
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LexiROM (1999)
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