Smirnov, Andrii, and Sergej Mineev. “METHODS AND MEANS FOR IMPROVING THE AIR-GAS CONTROL AT COAL ENTERPRISES OF UKRAINE”. Sworld-Us Conference proceedings 1, no. usc12-01 (September 30, 2022): 8–12. Accessed July 22, 2024. https://proconference.org/index.php/usc/article/view/usc12-01-003.