Grolier's KnowledgeDisc : the world's first laser videodisc encyclopedia / Grolier Electronic Publishing and Activenture Corp.

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Bibliographic Details
Corporate Authors: Grolier Electronic Publishing
Activenture Corporation
Language:English
Published: Danbury, Conn. : Grolier Electronic Publishing, [1985], ©1985.
Subjects:
Encyclopedias and dictionaries.
Physical Description:1 videodisc : sound, color ; 12 in.
Format: Video DVD

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