En
RuB. G. Gerasimov. From the memories about E. P. Mikhaelis.
B. G. Gerasimov. From the memories about E. P. Mikhaelis.
Notes of the Semipalatinsky submarines of the West Siberian Department of the Russian Geographical Society.Vol.eleven
Notes of the Semipalatinsky submarines of the West Siberian Department of the Russian Geographical Society.Semipalatinsk: B. and., 1918.Vol.11. 1917.
1917
Русское Географическое Общество