En
RuCaucasus
Caucasus
Notes of the Imperial Russian Geographical Society. By general geography. T. 38, No. 3. In the upper Ardon and Rion
Russian Geographical Society. Notes of the Imperial Russian Geographical Society. By general geography. St. Petersburg: printing house of the Imperial Academy of Sciences, 1867-1916.
T. 38, No. 3: In the upper Ardon and Rion. 1906.
T. 38, No. 3: In the upper Ardon and Rion. 1906.
1906
МГУ
Handbook on water resources of the USSR. T. 10. The North Caucasus
Handbook on water resources of the USSR. Leningrad: editorial and publishing department TSUEGMS, Leningrad branch, 1936-.
T. 10: The North Caucasus. 1936.
T. 10: The North Caucasus. 1936.
1936
ЦВМБ