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Perez, E.: Text enhancement : Controlled vocabulary vs. free text (1982)
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- Special libraries. 73(1982) no.3, S.183-192
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Cochrane, P.A.: Subject access - free text and controlled : the case of Papua New Guinea (1985)
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Dubois, C.P.R.: Free text vs. controlled vocabulary; a reassessment (1987)
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- Online review. 11(1987), S.243-253
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Böhle, K.; Riehm, U.: German fulltexts in working contexts : empirical findings on how end-users make use of fulltext databases (1989)
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- Pages
- S.505-512
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Schmidt, J.: Full-text searching : as seen from a non-bibliographic searcher's point of view (1989)
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- Pages
- S.495-504
