1. Particle Size Measurement;Allen,1997
2. Rate of capture of small particles in flotation;Anfruns;Trans. Inst. Min. Metall. Sec. C,1977
3. Process Engineering of Size Reduction: Ball Milling;Austin,1984
4. Handbook of Mathematical Sciences;Beyer,1978
5. Physical Surfaces, Solid Surfaces;Bikerman,1970