1. Chen S (1997) A method for analysing the stability of soil slopes taking into account the effects of infiltration and evaporation. Rock Soil Mech 02:8–12
2. Chen S, Chen S (2001) Analysis of stability of unsaturated soil slope due to permeation of rainwater. Rock Soil Mech 22(4):447–450
3. Chen Z, Jian W (2006) Sensitivity grey correlation analysis of factors influencing slope stability. Journal of Disaster Prevention and Mitigation Engineering 04:473–477
4. Fredlund DG, Rahardjo H (1993) Soil mechanics for unsaturated soils. Wiley
5. Fredlund DG, Morgenstern NR, Widger RA (1978) The shear strength of unsaturated soils. Can Geotech J 15(3):313–321