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International Geographical Union. Commission International Geographical Terminology(5)
Conference on the Standardization of Geographical Names (4. : 1982 : Genf) (1982-)(4)
Conference on the Standardization of Geographical Names (2. : 1972 : London) (1972-)(3)
International Cartographic Association / Commission II(3)
International Federation for Documentation/C 91 / Revisionskomitee(3)
Leibniz-Institut für Länderkunde (50)