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Berry, M.W.; Browne, M.: Understanding search engines : mathematical modeling and text retrieval (1999)
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Braun, E.: ¬The Internet directory : [the guide with the most complete listings for: 1500+ Internet and Bitnet mailing lists, 2700+ Usenet newsgroups, 1000+ On-line library catalogs (OPACs) ...] (1994)
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Garlock, K.L.; Piontek, S.: Designing Web interfaces to library services and resources (1999)
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Floridi, L.: Philosophy and computing : an introduction (1999)
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