1. BP: Statistical Review of World Energy July 2021. https://www.bp.com/statisticalreview. Cited December 29, 2021.
2. IEA: Coal 2019. Analysis and forecast to 2024. https://www.iea.org/. Cited March 10, 2022.
3. Rozhkov, A.A., Shaklein, S.V., and Pisarenko, M.V., Analysis of the structures ranks of the commercial reserves of the coal mines and pits of Russia, Ugol’, 2019, no. 11, pp. 4–11. https://doi.org/10.18796/0041-5790-2019-11-4-11
4. Gosudarstvennyi balans zapasov poleznykh iskopaemykh Rossiiskoi Federatsii na 1 yanvarya 2021 goda. Ugol’ (State Balance of Mineral Resources of the Russian Federation on January 1, 2021: Coal), vol. 1 Svodnye dannye (Summary Data), Moscow: Rosgeolfond, 2021.
5. Gosudarstvennyi balans zapasov poleznykh iskopaemykh Rossiiskoi Federatsii na 1 yanvarya 2021 goda. Ugol’. Sibirskii Federal’nyi okrug (State Balance of Mineral Resources of the Russian Federation on January 1, 2021: Coal: Siberian Federal Okrug), part 1: Kemerovskaya oblast’ (Kemerovo Oblast), Moscow: Rosgeolfond, 2021.