Geographical Location. Physical Geography

Kamchatka expedition. 1908-1910. (1908-1910). Meteorological department. [Proceedings]. Moscow: Ty-ba Ryabushinskikh printing house, 1914-1916.
Вып. 2: Results of observations of meteorological stations of the Kamchatka Expedition. Moscow: printing house of T. Ryabushinskikh, 1914.

Русское географическое общество

Russian reporter. Film Nikitina, Julia. Avacha Bay.

Группа Эксперт