Bagriy, I., Alokhin, V., Vasylyeva, I., Aksyom, S. and Kuzmenko, S. 2021. Hydrogen as an indicator of geodynamic processes in coal-bearing strata. Visnyk of V. N. Karazin Kharkiv National University, series "Geology. Geography. Ecology". 54 (Jun. 2021), 10-19. DOI:https://doi.org/10.26565/2410-7360-2021-54-01.