1. Stability Analysis of Earth Slopes;Huang,1983
2. Fundamentals of Soil Behavior;Mitchell,1976
3. Long term stability of clay slopes;Skempton,1964
4. Slope stability of cuttings in Brown London clay;Skempton,1977
5. Residual strength of clays in landslides, folded strata, and the laboratory;Skempton;Geotechnique,1985