Xu, Yuan, Fengyu Ren, Zulkifl Ahmed, and Kaiyi Wang. “Mechanical and Fatigue Damage Evolution Properties of Cracked Sandstone under Cyclic Loading: Damage Evolution Law of Sandstone”. Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences 57, no. 1 (March 15, 2021): 59–72. Accessed November 8, 2024. https://ppaspk.org/index.php/PPAS-A/article/view/53.