3Forrest K, Yan D, Dunne R. Optimisation of gold recovery by selec- tive gold flotation for copper-gold-pyrite ores[ J]. Minerals Engineer- ing, 2001,2(14) :227 -241.
4Klimpel R, Isherwood S. Some new flotation products for the im- proved recovery of gold and platinum, Randol Gold Forum--Beaver Creek'93, 1993 105 - 111.
