1. L. G. Zhou, Process Mineralogy, M. Metallurgical Industry Press, Beijing, (2007).
2. W. B. Hu. Flotation, M. Metallurgical Industry Press, Beijing.
3. X.J. Wang, Q. J. Liu. Experimental study on low grade Calin type of gold ore in Guizhou Shuiyindong, J. Non-ferrous metal. 5(2007) 28-31.
4. L. G. Zhou. Foundation of ore. M, Metallurgical Industry Press, Beijing, (2007).
5. R. D. Deng, Q. J. Liu. Experimental study on Comprehensive Utilization of a Low Grade and Refractory Sulfide-Oxidized Mixed Copper-Iron Ore in Yunnan Province, J. Journal of Kunming University of Science and Technology (Natural Science Edition) , Vol. 37 (2012).