For citations:

Makeyev A.B. The content of natural radionuclides Ra²²⁶, Th²³², K⁴⁰ in titanium ores and host rocks of the Pizhemskoye deposit. Proceedings of higher educational establishments. Geology and Exploration. 2022;(2):39-46. (In Russ.) https://doi.org/10.32454/0016-7762-2022-64-2-39-46