Ding, Lujun, and Yuhong Liu. “Study on the Fractal Model of Water Immersed Collapse of Soft Rock”. Revista de la Construcción. Journal of Construction 19, no. 3 (December 28, 2020): 486–491. Accessed October 4, 2024. https://ojs.uc.cl/index.php/RDLC/article/view/rdlc.19.3.486.