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  1. Lever, A.J.: ¬Een basisclassificatie in ontwikkeling : naar coördinatie van de collectievorming en gemeenschappelijke onderwerpsontsluiting bij wetenschappelijke bibliotheken (1988) 8.24
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  2. Lever, A.J.: Nederlandse basisklassificatie gereed (1989) 8.24
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  3. Huisman, F.W.: Gemeenschappelijke onderwerpsontsluiting (GOO) : een samenwerkingsproject in Pica-verband (1992) 8.24
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  4. Lever, A.J.: BC veelzijdig instrument : gebruiksmogelijkheden van de Nederlandse Basisclassificatie (1994) 8.24
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  5. Peereboom, M.: Dwerg tussen reuzen? : het Nederlandse basisclassificatie Web (1997) 8.24
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  6. Zakrzewska, E.D.: GOO of UDC? : twee systemen voor inhoudelijke ontsluiting vergeleken (1997) 8.24
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