1. Gonçalves, K.L.C., 2002. Effect of surface oxidation on the flotation of Salobo’s copper and gold ore, M.Sc. thesis, CPGEM-UFMG, p. 138 (in Portuguese)
2. Oxidation–reduction effects in the flotation of chalcocite and cuprite;Heyes;International Journal of Mineral Processing,1979
3. Pereira, C.E., Peres, A.E.C., Bandeira, R.L., 1991. Salobo copper ore process development. In: Proceedings of COPPER 91, Ottawa, Canada, pp. 133–144
4. Effect of grinding media on the surface reactions and flotation of heavy metal sulphides;Rao,1976
5. The effect of grinding media and environment on the surface properties and flotation behaviour of sulfide minerals;Xiang;International Journal of Mineral Processing,1998