Title: Sovremennye issledovanii︠a︡ Glavnoĭ geofizicheskoĭ observatorii
Subjects: Meteorological stations, History, Geophysical observatories, Glavnai︠a︡ geofizicheskai︠a︡ observatorii︠a︡ im. A.I. Voeĭkova
Places: Soviet Union