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Perez, E.: Text enhancement : Controlled vocabulary vs. free text (1982)
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Preston, L.A.; Ebbs, C.M.; Luther, J.: 'Full text' access evaluation : are we getting the real thing? (1998)
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FirstSearch upgrade provides online access to documents (1995)
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Hakli, E.: ¬The development of a national electronic library in Finland (1998)
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McKinin, E.J.; Sievert, M.E.; Johnson, D.; Mitchell, J.A.: ¬The Medline/full-text research project (1991)
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