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Dahlberg, I.: Principles for the construction of a universal classification system : a proposal (1978)
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- Source
- Conceptual basis of the classification of knowledge. Proc. of the Ottawa Conf. ... 1.5.10.1971. Ed. by J.A. Wojciechowski
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Dahlberg, I.: Normung und Klassifikation (1978)
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- DK-Mitteilungen. 22(1978) Nr.5/6, S.13-18
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Dahlberg, I.: Kolloquium Einheitsklassifikation (1975)
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- Source
- Nachrichten für Dokumentation. 26(1975), S.22-25