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Jascó, P.: ¬The 1998 editions of general interest encyclopedias (1998)
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IBM release 1997 World Book Multimedia Encyclopedia deluxe edition (1997)
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Clements, J.; Nicholls, P.: ¬A comparative survey of multimedia CD-ROM encyclopedias (1995)
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Pack, T.: Grolier provides Net access to leading encyclopedias (1998)
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