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Dahlberg, I.: Conceptual definitions for INTERCONCEPT (1981) 0.01

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Source: International classification. 8(1981), S.16-22

Dahlberg, I.: ICC - Information Coding Classification : principles, structure and application possibilities (1982) 0.00

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Footnote: Das System wird angewendet in den verschiedenen Ausgaben der 'International Classification and Indexing Bibliography' und in der laufenden Bibliographie in 'International Classification'