1. B. Beke, “Principles of Comminution” (Akadémiai Kiadó, Budapest, 1964).
2. A. M. Gaudin, Trans. AIME 73 (1926) 253.
3. G. C. Lowrison, “Crushing and Grinding” (Butterworths, London, 1974).
4. C.B. Holt, Powder Technol. 28 (1981) 59.
5. ACS Symposium Series;J. K. Beddow,1987