Jun-Jie Wang, Zhen-Feng Qiu, and Wen-Jie Deng. “Shear Strength of a Crushed Sandstone-Mudstone Particle Mixture”. International Journal of Architectural Engineering Technology 1, no. 1 (November 20, 2014): 33–37. Accessed January 21, 2025. https://avantipublishers.com/index.php/ijaet/article/view/81.