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Wellisch, H.H.: Organisatorische Neuordnung des DK-Systems (1971)
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- Source
- Nachrichten für Dokumentation. 22(1971), S.55-63
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Mölgaard-Hansen, R.: From knowledge classification to library classification (1978)
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Dahlberg, I.: Einheitsklassifikation (1979)
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- Source
- Bestandserschließung und Bibliotheksstruktur: Rolf Kluth zum 10.2.1979. Hrsg.: R. Alsheimer