1. Recovery of copper from chalcopyrite concentrate by means of sulphur activation, cupric chloride leach, and electrolysis;Cathro,1974
2. A new hydrometallurgical process for copper;Demarthe,1976
3. Gibson, N. and Parker, A.J., 1976. Unpublished work.
4. Separation and purification of copper(I) chloride from a chlorination roast of Kambalda nickel matte using solutions of aqueous acetonitrile;Grimsey,1977
5. Improvements in ferric chloride leaching of chalcopyrite concentrate;Haver;U.S. Bureau of Mines RI,1975