1. Agricultural Atlas of the Yakut ASSR (GUGK, Moscow, 1989) [in Russian].
2. E. V. Arinushkina, Manual of Chemical Analysis of Soils (Mosk. Gos. Univ., Moscow, 1970) [in Russian].
3. A. P. Chevychelov and P. I. Sobakin, Migration of Natural Radionuclides in Anthropogenically Impacted Taiga–Permafrost Landscapes of Southern Yakutia (Sib. Otd. Ross. Akad. Nauk, Novosibirsk, 2008) [in Russian].
4. 1: 200000 Geological Map of the USSR. Aldan Series. Sheet O-52-VII (Moscow, 1978) [in Russian].
5. M. V. Goroshko, Yu. F. Malyshev, and V. E. Kirillov, Uranium Metallogeny in the Russian Far East (Nauka, Moscow, 2006) [in Russian].