International Journal of Mineral Processing, 2001, V 63, N 1, June.

W. Oettel, A.-Qu. Nguyen, K. Husemann and C. Bernhardt
Comminution in confined particle beds by single compressive load 

 W.Z. Shen, D. Fornasiero and J. Ralston
Flotation of sphalerite and pyrite in the presence of sodium

 W. Vorster, N.A. Rowson and S.W. Kingman
The effect of microwave radiation upon the processing of Neves
Corvo copper ore     

 D.R. Nagaraj and J.S. Brinen
SIMS study of adsorption of collectors on pyrite