1. 1. A.M. Gaudin: Principles of Mineral Dressing, McGraw-Hill (New York), pp. 70–91 (1939)
2. 2. R.L. Wiegel and K. Li: A random model for mineral liberation by size reduction, Trans. Soc. Min. Engineers/Am. Inst. Min. Eng., Jun., pp. 179–189 (1967)
3. 3. H.J. Steine: Liberation kinetics in grinding operations”, Proc. 11th Int. Miner. Proc. Congr., Caliari, Italy, pp. 33–58 (1975)
4. 4. J.R.G. Andrews and T.S. Mika: Comminution of a heterogeneous material: development of a model for liberation phenomena, Proc. 11th Int. Min. Proc. Congr., Caliari, Italy, pp. 59–88 (1976)
5. 5. R.P. King: A model for the quantitative estimation of mineral liberation by grinding, Int. J. Min. Proc., 6, pp. 207–220 (1979)