1. Yerushalmi J., Cankurt N.T., Geldart D., Liss B., “Flow regimes in vertical gas-solid contact systems, ” AIChE Symp. Ser. 74(176) (1978) 1–12.
2. Bader R., Findlay J., Knowlton T.M., “Gas/solid flow patterns in a 30.5 cm diameter circulating fluidized bed, ” in: P. Basu, J.F. Large (Eds.), Circulating Fluidized Bed Technology II, Pergamon Press, Oxford, 1988, pp. 123–137.
3. Tsuo Y.P., Gidaspow D., “Computation of flow patterns in circulating fluidized beds, ” AICHE J., 1990.36, 885.
4. Rhodes M.J., Hirama T., Cerutti G., Geldart D., “Nonuniformity of solids flow in the risers of circulating fluidized beds, ” in: J.R. Grace, L.W. Shemilt, M.A. Bergougnou (Eds.), Fluidization VI, Engineering Foundation, New York, 1989, pp. 73–80.
5. Heping Yang, Mridul Gautam, “Expermental study on the interface of core-annulus flow in the riser of a circulating fluidized bed, ” Powder Technology 85(1995) 57–64.