1. Pilot plant demonstration of zinc sulphide pressure leaching;Parker,1979
2. Oxidation pressure leaching of zinc concentrates;Parker;CIM Bull.,1981
3. Zinc pressure leaching at Cominco's Trail Operation;Parker,1983
4. Cominco's Trail zinc pressure leaching operation;Jankola;CIM Bull.,1985
5. Recent experience with zinc pressure leaching at Cominco;Ashman,1990