1. World Aluminium: http://www.world-aluminium.org/statistics/alumina-production/#data , (2016). Accessed 10 October 2016.
2. F. Yen, P. Cheng, H. Huang, T. Lin, Journal of American Ceramic Society, 2009, vol. 92, pp. 2089-2092.
3. J. Metson, P. Lavoie, L. Perander, R. Etzion, Chemistry in New Zealand, 2010, vol. 74, pp. 96-100.
4. K. Wefers, C. Misra, Oxides and Hydroxides of Aluminium, Alcoa Laboratories, New York, 1987.
5. B. Whittington, D. Ilievski, Chemical Engineering Journal, 2004, vol. 98, pp. 89-97.