Материалы по теме
Materials on hydrology, hydrography and water forces of the USSR. Leningrad, 1928-1938.
Grigoriev, Sergey Vladimirovich (doctor of geography, hydrologist, 1888-1974). Issue. 1: 1. Review of the water network of the Far North. Zap. USSR (Karelian-Murmansk region) and inventory of water-measuring posts of the region from 1881 to 1927 inclusive. 1928.