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Bergen, C. van; Mastenbroek, O.: Wat wil de gebruiker? : onderwerpsontsluiting bij de Universiteitsbibliotheek Utrecht (1995)
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Chan, L.M.: ¬The Library of Congress Classification System in an online environment (1990)
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Guenther, R.S.: ¬The Library of Congress Classification in the USMARC format (1994)
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Markey, K.: Searching and browsing the Dewey Decimal Classification in an online catalog (1987)
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Walker, S.: Views on classification as a search tool on a computer (1991)
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