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Hofstede, M.: Literatuur over onderwerpen zoeken in de OPC (1994)
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Riesthuis, G.J.A.; Stuurman, P.: Tendenzen in de onderwerpsontsluiting : T.3: Gecontroleerde informatietalen (1990)
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Rotten, C. v.d.: oderzoek naar alternatieve plaatsing : Bijna net zoveel systemen als bibliotheken (1995)
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Dijk, J.v.: Foundation, de basis voor een successvolle klantenbenadering : nieuw catalogusconcept op basis van wensprofielen (1995)
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