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Bertelsmann-Lexikodisc : das Wissen der Welt auf CD-ROM (1993)
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Microsoft encarta : multimedia encyclopedia (1992)
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Bertelsmann-Lexikodisc : das Wissen der Welt auf CD-ROM (1989)
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CD-ROM of CD-ROMs (1995)
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Facts on file news digest CD-ROM (1993)
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¬The new Grolier multimedia encyclopedia (1994)
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Webster's interactive encyclopedia : CD-ROM for Windows (1994)
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¬The 1996 Grolier multimedia encyclopedia (1995)
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¬Das multimediale Kombipaket : Planet Erde und Großer Atlas der Welt (1998)
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Vögel unserer Heimat (1995)
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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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Fischer Weltalmanach : Zahlen, Daten, Fakten (1998)
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Encyclopædia Britannica (2001)
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¬Der digitale Fischer Weltalmanach (1999)
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LexiROM (1999)
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¬Das große Lexikon 2001 (2000)
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Duden : Das große Wörterbuch der deutschen Sprache (2000)
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Compton's multimedia encyclopedia (1990)
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