1. Mineralogy of refractory gold ores;Vaughan,1989
2. Direct sulubilisation of refractory gold by pressure chloride leaching;Demopoulos,1989
3. Refractory gold: the role of pressure oxidation;Weir,1986
4. Mechanical and operational improvements made to the 1500 tpd autoclave facility at Barrick Goldstrike during the first few months of operation;Bolland,1990