1. Microstructural continuum models for granular materials;Cowin,1978
2. Micromechanically based rate constitutive descriptions for granular materials;Nemat-Nasser,1984
3. The effective elastic moduli of a random packing of spheres;Walton;Journal of Mechanics and Physics of Solids,1987
4. Volume change in small strain axisymmetric deformations of a granular material;Jenkins,1987
5. Micromechanical modelling of constitutive relations for granular material;Chang,1987