
Sullivan D.: ¬The major search engines (1998)
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Sullivan D.: How search engines rank web pages (1998)
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Sullivan D.: How search engines work (1998)
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Sullivan D.: ¬The webmaster's guide to search engines and directories (1996)
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Sullivan D.: Search engines features chart (1998)
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FirstSearch (1991)
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O'Leary, M.: FirstSearch takes the lead (1992)
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Gupta, U.; Salisbury, L.: Is FirstSearch really attractive? (1992)
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Boyett, S.: FirstSearch in public libraries (1994)
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Bénaud, C.L.; Bordeianu, S.: OCLC's FirstSearch catalog (1995)
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