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Jascó, P.: CD-ROM databases with full-page images (1998)
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UMI introduces new ProQuest databases (1998)
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Wilson announces new CD-ROMs (1996)
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Rosen, L.: ProQuest Searchware 4.0 : keeping the best of the old while adding something new (1993)
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O'Leary, M.: ProQuest direct delivers UMI goods (1996)
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