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Rudich, J.: Internet search engines on CD-ROM (1996)
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Nicholls, P.: Multimedia and CD-ROM Directory 1998 (1998)
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Raeder, A.: People locators on the Web : finding and being found (1996)
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¬The Aslib directory of information resources in the United Kingdom (2002)
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Drabenstott, K.M.; Cochrane, P.A.: Improvements needed for better subject access to library catalogs via the Internet (1994)
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