1. Lundqvist, R., Basak, A. K. and Smedley, J., in Proc. 11th Int. Conf. Fluidized Bed Combustion, ed. E. J. Anthony. ASME, New York, 1991, pp. 131–138.
2. Leckner, B., in Proc. 26th Int. Symp. on Combustion. The Combustion Institute, 1996, pp. 3231–3241.
3. Moe, T. A., Mann, M. D., Henderson, K. A. and Hajicek, R. D., in Proc. 4th Int. Conf. on CFB, ed. A. A. Avidan. USA, 1993, pp. 91–97.
4. Delebarre, A., Brunello, S. and Queva, T., in Proc 11th. Int. Conf. on Fluidized Bed Combustion, ed. E. J. Anthony. ASME, New York, 1991, pp. 151–156.
5. Legros, R., Brereton, C. M. H., Lim, C. J., Li, H., Grace, J. R. and Anthony, E. J., in Proc. 10th Int. Conf. Fluidized Bed Combustion, ed. A. M. Manaker. ASME, New York, 1989, pp. 661–666.