1. A new generation of classifier wheels;Adam;Aufbereitungs-Technik,2001
2. Process engineering of size reduction: Ball mill;Austin,1984
3. Bateman Project Holdings (2000). Product & Process News. Mining Magazine, 50.
4. Bickert, G., Stahl, W., Bartsch, R., & Muller, F. (1996). Grinding circuit for fine particles in liquid suspensions with a new counter-flow centrifugal classifier. In E. Forssberg, K. Schönert (Eds.), International Journal of Mineral Processing, Special Issue on Comminution, 44–45, 733–741.
5. Boyes, J. M., Hoyer, D. I., & Young, G. J. C. (1997). Industrial application of the Hicom mill. Manuscript of 6th ICRA Comminution Research Workshop. Bad Neuenahr, Germany.