1. Advances in Micromechanics of Granular Materials;Shen,1992
2. Powders and Grains '93: Proc. 2nd Int. Conf. on Micromechanics of Granular Media;Thornton,1993
3. Powders and Grains '89: Proc. 1st Int. Conf. on Micromechanics of Granular Media;Biarez,1989
4. 1st US Conf. on Discrete Element Methods;Issa,1989
5. Discrete modeling of stress-strain behavior of granular media at small and large strains;Dobry,1989