Jun-Jie Wang, Zhen-Feng Qiu and Wen-Jie Deng 2014. Shear Strength of a Crushed Sandstone-Mudstone Particle Mixture. International Journal of Architectural Engineering Technology. 1, 1 (Nov. 2014), 33–37. DOI:https://doi.org/10.15377/2409-9821.2014.01.01.4.