Lukin, O. and Shestopalov, V. 2021. 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. 5 (Oct. 2021), 50–60. DOI:https://doi.org/10.15407/dopovidi2021.05.050.