1. X-ray photoelectron spectroscopy of iron-oxygen systems;Allen;J. Chem. Soc., Dalton Trans.,1974
2. Lead-zinc concentrator practice by Pasminco Limited, Elura mine, Cobar, NSW;Allen,1993
3. The oxidation of sulphurous acid;Basset;J. Chem. Soc.,1951
4. The role of modifiers and ground iron products in selective flotation;Bocharov;Tsvetn. Met.,1981
5. Copper-lead-zinc concentrator practice at Cobar Mines Pty Limited, Cobar, NSW;Boughen,1993