1. P. A. Cundall, A computer model for simulating progressive, large-scale movements in blocky rock systems, Proc. Int. Symp. Rock Fract. 11 (1971).
2. P. A. Cundall, A computer model for rock-mass behaviour using interactive graphics for the input and output of geometric data, Report (National Technical Information Services, 1974).
3. O. D. L. Strack, and P. A. Cundall, The distinct element method as a tool for research in granular media, Report (University of Minnesota, 1978).
4. Technical Note;P A Cundall,1978
5. P. A. Cundall, and O. D. L. Strack, A discrete numerical model for granular assemblies, Geotechnique 29, 47 (1979).