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Riesthuis, G.J.A.; Stuurman, P.: Tendenzen in de onderwerpsontsluiting : T.3: Gecontroleerde informatietalen (1990)
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Brinkman's cumulative catalogue on CD-ROM (1996-)
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Rotten, C. v.d.: oderzoek naar alternatieve plaatsing : Bijna net zoveel systemen als bibliotheken (1995)
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Stokmans, M.; Oomens, A.: Meer grasduinen door genreplaatsing? : genre- of alfabetische plaatsing: onderzoek naar verschillen in gebruikersgedrag (1997)
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Waal, J. d.: genre-indeling van digitale media : Nieuwe media passen niet in SISO (1995)
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