Title: Distant︠s︡ionnye geografo-ėkologicheskie issledovanii︠a︡ Angaro-Eniseĭskogo basseĭna
Subjects: Hydroelectric power plants, Ecology, Remote sensing, Environmental monitoring, Aerial photography in ecology
Places: Russia (Federation), Siberia, Angara River Region (Russia), Yenisey River Region (Russia)