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Kreithen, A.; Gull, C.D.; Miller, E.E.: Klassifizierung nach dem System gleichwertiger Grundbegriffe (Uniterm) (1954)
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- Source
- Nachrichten für Dokumentation. 5(1954) H.1, S.6-11
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Clason, W.E.: ¬Die Klassifizierung der Literatur nach dem System der gleichwertigen Grundbegriffe (UNITERM-System) : ein Erfahrungsbericht aus der Praxis (1957)
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- Source
- Nachrichten für Dokumentation. 8(1957) H.1, S.27-29
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Zemanek, H.: Elementare Informationstheorie (1959)
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