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Bazler, J.A.: Biology resources in the electronic age (2003)
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Bazler, J.A.: Chemistry resources in the electronic age (2003)
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Gale directory of databases 2004 : Vol.1: Online databases. - Vol.2: CD-ROM, diskette, magnetic tape, handheld, and batch access database products (2004)
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Bazler, J.A.: Earth science resources in the electronic age (2003)
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Knee, M.: Computer science and computing : a guide to the literature (2005)
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Schmidt, D.: Guide to reference and information sources in the zoological sciences (2003)
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