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Wilson announces new CD-ROMs (1996)
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Buntrock, R.E.: UMI's applied science and technology plus (1997)
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Combs, J.: ProQuest Direct : remote research and electronic document delivery from UMI (1997)
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Duval, B.K.; Main, L.: Microcomputer applications in the library : Part 1A: ProQuest Direct (1998)
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O'Leary, M.: ProQuest direct delivers UMI goods (1996)
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