1. Chen YL (2016) Changes in elastic wave velocity in a slope due to water infiltration and deformation. Ph.D. dissertation, University of Tokyo, Tokyo, Japan
2. Chen YL, Uchimura T (2015) Use of wave velocity with modified refraction method for landslide prediction. 50th Japan National Conference on Geotechnical Engineering, Sapporo, 2073–2074
3. Chen YL, Uchimura T, Tao S, Xie J (2016a) Stability monitoring of soil slope in wetting and failure process using elastic wave velocity. Jpn Geotech Soc Special Publ 4(4):68–72
4. Chen YL, Uchimura T, Tao S, Xie J (2016b) Changes in wave propagation through slope surface layer as a function of water content and shear deformation. 51st Japan National Conference on Geotechnical Engineering, Okayama, 2003–2004
5. Chen YL, Uchimura T, Irfan M, Huang D, Xie J (2017) Detection of water infiltration and deformation of unsaturated soils by elastic wave velocity. Landslides 14(5):1715–1730. https://doi.org/10.1007/s10346-017-0825-8