1. Abramson, L.W. , Lee, T.S. , Sharma, S. & Boyce, G.M. 1996. Slope Stability and Stabilization Methods. Wiley, New York.
2. Landslide damage to buildings;Alexander;Environmental Geology and Water Sciences,1986
3. Allen, R.G. , Pereira, L.S. , Raes, D. & Smith, M. 1998. Crop evapo-transpiration (guidelines for computing crop water requirements). FAO Irrigation and Drainage Paper, 56.
4. A constitutive model for partially saturated soils
5. A microstructurally based effective stress for unsaturated soils