1. Studies in Molecular Dynamics. I. General Method
2. P.A. Cundall, A computer model for simulating progressive, large scale movements in rocky block systems, in Proceedings of Int. Symp. On Rock Fracture, Nancy, France, 1971.
3. C. Thornton, Application of DEM to process engineering problems, in DEM 1st US Conference, Colorado School of Mines Press, 1989.
4. H. Sakaguchi, E. Ozaki, Analysis of the formation of arches plugging the flow of granular materials, in C. Thornton (Ed.), Powders and Grains 93, Balkema, Rotterdam, 1993.
5. G.G.H. Rong, PhD thesis, Guelph University, Canada, 1994.