Feldman, E. P., N. A. Kalugina, and T. N. Melnik. “Kinetic Theory of the Fracture of the Coal (Rock) Edge by the Gas-Filled Cracks. Instantaneous Loading-Out”. Ukrainian Journal of Physics 64, no. 3 (April 1, 2019): 207. Accessed November 27, 2020. https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2019338.