1. Estimating Strength Versus Location and Time in High-plasticity Clays;Aubeny,2003
2. Properties of unsaturated soils and slope stability of expansive soils;Bao,1998
3. Some aspects of effective stress in saturated and partly saturated soils;Bishop;Geotechnique,1963
4. Shear strength measurements in unsaturated non-cohesive soils with negative pore pressures;Donald,1956
5. Strength and deformation of partly saturated soils;Escario,1989