Nhan, T.T. and Thien, Đo Q. 2014. STUDY ON EXCESS PORE WATER PRESSURE CHANGES OF SATURATED SOFT CLAY SUBJECTED TO UNDRAINED UNI-DIRECTIONAL AND MULTI-DIRECTIONAL CYCLIC SIMPLE SHEARS. Vietnam Journal of Earth Sciences. 36, 2 (Aug. 2014), 149–159. DOI:https://doi.org/10.15625/0866-7187/36/2/4496.