1. Alarcon-Guzman A, Leonards GA, Chameau JL (1988) Undrained monotonic and cyclic strength of sands. J Geotech Eng Div 114(10):1089–1109
2. Bishop AW (1971) Shear strength parameters for undisturbed and remoulded soil specimens. Stress–strain behavior of soils. RHG Parry Ed, Cambridge University, Cambridge, UK, pp 3-58
3. Bishop AW (1973) Stability of spoil heap. Q J Eng Geol 6:335–376
4. Casagrande A (1936) Characteristics of cohesionless soils affecting the stability of slopes and earth fills. J Boston Soc Civ Eng 23(1):13–32
5. Casagrande A (1976) Liquefaction and cyclic mobility of sands: a critical review. Harvard soil mechanics series, no. 88. Harvard University, Cambridge, MA