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Nicholls, P.; Sutherland, T.: CD-ROM databases : a survey of commercial publishing activity (1992)
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Clements, J.; Nicholls, P.: ¬A comparative survey of multimedia CD-ROM encyclopedias (1995)
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Nicholls, P.: Multimedia and CD-ROM Directory 1998 (1998)
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Nicholls, P.: CD-ROM market directories ondisc : will that be six of one or a half dozen of the other? (1993)
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