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Pack, T.: Digital circles of knowledge (1995)
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Pack, T.: Electronic worlds : a word lover's guide to digital dictionaries, thesauri, and other cyberplaces (1996)
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Blake, P.: Who will be the king ... of the portals? : There is a lot of competition to be the alpha business information site (1999)
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Pack, T.: Shortcuts to finding short stories : searching fiction online (1992)
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Pack, T.: ¬The online reference shelf : finding basic information on a potpurri of things (1994)
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Li, T.-C.: Reference sources in periodicals : abstracts, indexes, and contents reproduction (1996)
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Pack, T.: Grolier provides Net access to leading encyclopedias (1998)
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Pack, T.: Grolier Multimedia Encyclopedia : now in two versions (1998)
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Williams, M.E.; Burgard, D.E.: New database products : social science, humanities, news and general (issue 11) (1998)
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Jascó, P.: General encyclopedias on CD-ROM : a look at the 1995 editions (1995)
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Berinstein, P.: Microsoft Network (MSN) : the devils's in the detail (1996)
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Collins, B.R.: Webwatch (1996)
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