Fei, Jianbo, Yuxin Jie, Chengyu Hong, and Changsuo Yang. 2020. “Comparative Analysis of Design Parameters for High-Speed Railway Earthworks in Different Countries and a Unified Definition of Embankment Substructure”. The Baltic Journal of Road and Bridge Engineering 15 (2): 127-44. https://doi.org/10.7250/bjrbe.2020-15.476.