Li, Zhiqing, Chuan Tang, Ruilin Hu, and Yingxin Zhou. “Research on Model Fitting and Strength Characteristics of Critical State for Expansive Soil”. Journal of Civil Engineering and Management 19, no. 1 (January 16, 2013): 9-15. Accessed April 24, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/3792.