1. Berezowsky RM, Collins GS, Kerfoot DGE, Torres N (1991) The commercial status of autoclave technology. JOM 43:9–15
2. Conway MH, Gale DC (1990) Sulfur’s impact on the size of pressure oxidation autoclaves. JOM 42:19–22
3. Gathje J, Oberg KC, Simmons G (1995) Pressure oxidation process development: beware of laboratory testing results! SME Annual Meeting, Denver
4. Morris AE, Geiger G, Fine HA (2011) Handbook on material and energy balance calculations in materials processing (3rd ed). Wiley
5. Polymetal International PLC (2013) Investor presentation