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Rudich, J.: Internet search engines on CD-ROM (1996)
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Maurer, H.; Balke, T.; Kappe,, F.; Kulathuramaiyer, N.; Weber, S.; Zaka, B.: Report on dangers and opportunities posed by large search engines, particularly Google (2007)
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Munson, K.I.: Internet search engines : understanding their design to improve information retrieval (2000)
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Dasgupta, S.K.: Search engines : tooles for exploring the Internet (1998)
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Selberg, E.; Etzioni, O.: ¬The MetaCrawler architecture for resource aggregation on the Web (1997)
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