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The Hydrological Observatory of Athens
Hydrological information provided from this site is a service of the Hydrological Observatory of Athens, operated by the National Technical University of Athens. It is an... -
The National Institute of Geophysics, Geodesy and Geography of Bulgaria
The National Institute of Geophysics, Geodesy and Geography carries out fundamental and applied research in the field of geophysics, seismology, earthquake engineering, geodesy,...