1. B.J. Ennis, J.D. Litster, in: R. Perry, D. Green (Eds.),Perry's Chemical Engineers’ Handbook, 7th edition, McGRaw-Hill, New York, 2001, pp. 20–56 and 20–89.
2. K.D. Kafui and C. Thornton, Powders & Grains 93, the proceedings of the 2nd International Conference on Micromechanics of Granular Media, C. Thornton (Ed.), Balkema, Rotterdam, 1993, pp. 401–406.
3. A study of solid particle failure under normal and oblique impact
4. C. Thornton, D. Kafui, T. Ciomocos, IFPRI annual meeting, Urbana, US, 1995.
5. Distinct element simulation of impact breakage of lactose agglomerates