An, Hiroshi, Nhan, Nhan, Tien, and Thien. “Pore Water Pressure Responses of Saturated Sand and Clay under Undrained Cyclic Shearing”. Vietnam Journal of Earth Sciences 44, no. 2 (December 1, 2021): 181–194. Accessed November 8, 2025. http://vjes.vast.vn/jse/article/view/16764.