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Lin, Z.; Baoming, Z.: Comparative study of WWW search tools (1998)
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Internet search tool details (1996)
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Raisch, M.J.: ¬The wide world of the World-Wide Web : A description of Web browsers and search engines (1996)
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Feldman, S.: "Just the answer, please" : choosing a Web search service (1997)
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Notess, G.R.: Measuring the size of Internet databases (1997)
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