Notes of the Semipalatinsky submarines of the West Siberian Department of the Russian Geographical Society.Vol.12

Notes of the Semipalatinsky submarines of the West Siberian Department of the Russian Geographical Society.- Semipalatinsk: B., 1918. -.I. Russian Geographical Society.West Siberian department.Semipalatinsky subwind.Electronic Source: PBVol.12. - Type.OblastRelled, 1918. -109 p.: Tab .. -Bibliogr.in a substrateNote..Electronic Source: PB