Zhang, Nian, Weihong Wang, Zhuoqiang Yang, and Jianian Zhang. “Numerical Simulation on the Stability of Surrounding Rock of Horizontal Rock Strata in the Tunnel”. Civil Engineering Journal 3, no. 12 (January 4, 2018): 1189–1197. Accessed July 1, 2025. http://civilejournal.org/index.php/cej/article/view/562.