1. A constitutive model for partially saturated soils;Alonso;Géotechnique,1990
2. A microstructurally based effective stress for unsaturated soils;Alonso;Géotechnique,2010
3. Numerical simulations of the incremental responses of idealized granular materials;Bardet;Int. J. Plast.,1994
4. Bardet, J., Proubet, J., 1989. Application of micromechanics to incrementally nonlinear constitutive equations for granular media. In: International Conference on Micromechanics of Granular Media. pp. 265–273.
5. The principle of effective stress;Bishop;Tek. Ukeblad,1959