1. Principles of non metallic mineral flotation;Aplan;50th. Anniv. Vol.,1962
2. Anodic electrochemistry of chalcopyrite;Biegler;J. Appl. Electrochem.,1979
3. Investigation of the surface oxidation of sulphide minerals via ESCA and electrochemical techniques;Buckley,1981
4. An Introduction to Crystal Chemistry;Evans,1979
5. Natural and induced hydrophobicity in sulfide mineral systems;Finkelstein,1975