1. Extraction of Gold from Refractory Ores;Corrans,1988
2. Mineralogical Aspects of the Treatment of Arsenical Gold Ores;Vaughan,1988
3. Development of the Metprotech Ultra-fine Milling Process;Liddell,1989
4. Improved Recoveries of Gold from Pyrite and Calcine by the Metprotech Fine Milling Process;Liddell,1988
5. Invisible Gold;Springer,1983