Lukin, O.Y., and V.M. Shestopalov. “Sribnian Ring Structure (Dnieper-Donets Depression) — a Possible Testing Ground for the Development of the Hydrogen Potential of the Earth’s Interior”. Reports of the National Academy of Sciences of Ukraine, no. 5 (October 27, 2021): 50–60. Accessed October 1, 2024. https://nasu-periodicals.org.ua/index.php/dp/article/view/2021-5-7.