1. T. Shingles, A.F. MacDonald, Proceedings on the Second International Conference on CFB’s, France, 1988.
2. R.W. Silverman, A.H. Thompson, A. Steynberg, Y. Yukawa, T. Shingles, in: K. Ostergaard, A. Sorensen (Eds.), Fluidization V, Pub. Eng. Foundation, New York, 1986.
3. B. Jager, M.E. Dry, T. Shingles, A.P. Steynberg, Catal. Lett. 7 (990)
4. SASOL—successful commissioning of the 1st Sasol advaced synthol reactors in Secunda, Sasol In-house Document, 1998.
5. Innovation drives SASOL, Coal Based Technology, January/February 2000.