V. A. Obruchev. Orography of Central Asia and its southeastern outskirts. Short report on the expedition of 1892-1894, conducted on the order of the Imperial Russian Geographical Society.
V. A. Obruchev. Orography of Central Asia and its southeastern outskirts. Short report on the expedition of 1892-1894, conducted on the order of the Imperial Russian Geographical Society.
News of the imperial Russian geographical society.1895 T. 31
News of the imperial Russian geographical society.St. Petersburg: B. and., 1890.1895 T. 31. 1895.
1895
Русское географическое общество