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Duval, B.K.; Main, L.: Searching on the Net : general overview (1996)
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Duval, B.K.; Main, L.: Microcomputer applications in the library : Part 1A: ProQuest Direct (1998)
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Duval, B.K.; Main, L.: Searching the Internet : part 2 trail-blazers (1997)
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Duval, B.K.: Microcomputer applications in the library (1993)
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