Wei Chao LiYan Feng WenHong CaiMin Chen XueDing Song XieLee Min Lee2024-11-072024-11-072014-11http://ascelibrary.org/doi/abs/10.1061/(ASCE)GT.1943-5606.0001173https://dspace-cris.utar.edu.my/handle/123456789/6499Discussion of “Critical Hydraulic Gradients of Internal Erosion under Complex Stress States” by D. S. Chang and L. M. Zhangjournal-article