Jingping, Qiu, Yang Lei, Xin Jun, and Sun Xiaogang. “Determining Method of Backfill Strength Based on Damage Constitutive Model”. Journal of Mines, Metals and Fuels 66, no. 3 (October 20, 2022): 199–202. Accessed May 12, 2024. http://www.informaticsjournals.com/index.php/jmmf/article/view/31684.