1. Alonso E, Gens A, Lloret A, Delahaye C (1995) Effect of rain infiltration on the stability of slopes. In: Proceedings of the first international conference on unsaturated soils, UNSAT’95, Paris, France, vol 1, pp 241–249
2. ASTM (1994) Standard test method for liquid limit, plastic limit and plasticity index of soils. ASTM Designation: D4318-93, American Society for Testing and Materials, West Conshohoken
3. Au SWC (1998) Rain-induced slope instability in Hong Kong. Eng Geol 51(1):1–36
4. Brand EW (1984) Landslides in Southeast Asia: A state-of-art report. In: Proceedings of the 4th international symposium on landslides. Canadian Geotechnical Society, Toronto, pp 17–59
5. Calvello M, Cascini L, Sorbino G (2008) A numerical procedure for predicting rainfall-induced movements of active landslides along pre-existing slip surfaces. Int J Numer Anal Meth Geomech 32(4):327–351