1. ‘A computer model for rock-mass behavior using interactive graphics for the input and output of geometric data’, Report AD/A-001, 602, U.S. National Technical Information Service, 1974.
2. A discrete numerical model for granular assemblies
3. ‘Computer simulations of dense sphere assemblies’, in and , (eds) Micro-mechanics of Granular Materials, Elsevier, Amsterdam, 1988, pp. 113-123.
4. Micromechanical Aspects of Isotropic Granular Assemblies With Linear Contact Interactions
5. and , ‘Numerical simulation of slow deformations’, Proc. Symp. Mech. Particulate Media, 10th Natl. Congr. Applied Mechanics, Austin, TX, 1986.