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Venditto, G.: Search engine showdown : IW Labs tests seven Internet search tools (1996)
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Internet search tool details (1996)
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Courlois, M.P.: Cool tools for Web searching : an update (1996)
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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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Liu, H.-M.C.: Selection and comparison of WWW search tools (1996)
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