American Chemical Society 15

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Biosis 2

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Chemical Abstract Services 30

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The Dialog Corporation cover 4

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Dow Jones 7, 34-35

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Engineering Information 24

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Information Access 13

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Inmagic 43

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The Gale Group 39

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LEXIS NEXIS cover 3

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Northern Light 37

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RoweCom 18

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RR Bowker 1,45

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ThomasNet 41

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WavePhore 9

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West Group Cover 2

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