T. Ishikawa, B. Dareeju, C. Gallage and L. Tianshu 2021. Resilient Deformation Characteristics of Unsaturated Subgrade Materials of Rail Tracks under Cyclic Moving Wheel Loads. Geotechnical Engineering Journal of the SEAGS & AGSSEA . 52, 4 (Dec. 2021), 23–32. DOI:https://doi.org/10.14456/seagj.2021.4.