Commission for Technical Co-operation in Africa South of the Sahara. East Central Regional Committee for Geology Bezüge im Wissensnetz Aut (2) DNB-Titeldaten 1029415-6 1029412-0 Creator (2) DNB-Titeldaten 1029415-6 1029412-0 Administrative Überordnung der Körperschaft (1) GND-Körperschaften Commission for Technical Co-operation in Africa South of the Sahara