1. Becker, M., Harris, P., Wiese, J., Bradshaw, D., 2006. The use of quantitative mineralogical data to interpret the behaviour of gangue minerals in the flotation of Merensky Reef ores. In: Proceedings Automated Mineralogy
2. Bikerman, J.J., 1953. Foams: Theory and Industrial applications. Reinhold Pub. Corp, New York.
3. Brough, C., 2008. An investigation into the process mineralogy of the Merensky Reef at Northam Platinum Limited, MSc thesis. University of Cape Town, South Africa.
4. Development of methodologies to improve the assessment of reagent behaviour in flotation with particular reference to collectors and depressants;Bradshaw;Minerals Engineering,2004
5. Dippennaar, A., 1978. The effect of particles on the stability of flotation froths. National Institute of Metallurgy Report No. 1988.