Lou, P., C. Li, S. Liang, M. Feng, and B. Pan. “Numerical Simulation Study on Failure Characteristics of Coal-Rock Combination With Fracture”. Journal of Mines, Metals and Fuels, vol. 66, no. 8, Oct. 2022, pp. 482-7, https://informaticsjournals.com/index.php/jmmf/article/view/31746.