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Riesthuis, G.J.A.: Some thoughts about the format of the Master Reference File database (2000) 0.03

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Source: Extensions and corrections to the UDC. 22(2000), S.15-22

Riesthuis, G.J.A.; Stuurman, P.: Tendenzen in de onderwerpsontsluiting : T.3: Gecontroleerde informatietalen (1990) 0.03

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Source: Open. 22(1990) no.1, S.11-15

Riesthuis, G.J.A.; Stuurman, P.: Tendenzen in de onderwerpsontsluiting : T.4: Onderwerpsontsluiting en on-line catalogi (1990) 0.03

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Source: Open. 22(1990) no.10, S.326-330

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