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Pack, T.: Digital circles of knowledge (1995)
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Clements, J.; Nicholls, P.: ¬A comparative survey of multimedia CD-ROM encyclopedias (1995)
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Hoffos, S.: Introduction to interactive multimedia (1993)
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Jascó, P.: State-of-the-art multimedia in 1996 : the 'big four' general encyclopedias on CD-ROM (1996)
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Kister, K.F.: Kister's best encyclopedias : a comparative guide to general and specialized encyclopedias (1994)
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