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Poulter, A.: ¬The design of World Wide Web search engines : a critical review (1997)
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Pasicznyuk, R.W.: Searching for the information on the Net : new wine into new wine skins (1995)
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Boettcher, J.; Kingma, B.R.: Telephone directories : alternatives to print (1994)
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Brandt, D.S.: What flavor is your Internet search engine? (1997)
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Dasgupta, S.K.: Search engines : tooles for exploring the Internet (1998)
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