1. Early development of the copper segregation process;Rey;Trans. Inst. Min. Metal.,1967
2. A minimum pollution, low-energy pyrometallurgycal process for treating chalkopyrite concentrates;Opie,1976
3. Treatment of refractory copper ores by the segregation process;Pinkney;Trans. Am. Inst. Min. Engrs.,1968
4. Studies on the segregation treatment of roasted copper concentrates;Marcuson,1977