Assemblée générale de Helsinki, General Assembly of Helsinki 25-7 - 6-8 1960, Commission des eaux de surface, Commission of Surface Waters
Assemblée générale de Helsinki, General Assembly of Helsinki 25-7 - 6-8 1960, Commission des eaux de surface, Commission of Surface Waters
International Union of Geodesy and Geophysics. General Assembly
Details
- OL Work ID
- OL3793488W