[PDF][PDF] Milestones in precise Earth observation and their impact
T Forbriger, H Sudhaus, W Zürn - dgg-online.de
In 1922, the founding year of the German Geophysical Society (Deutsche Geophysikalische
Gesellschaft eV, DGG), the idea of'continental drift', advocated by Alfred Wegener since …
Gesellschaft eV, DGG), the idea of'continental drift', advocated by Alfred Wegener since …