1. Buchanan, R. H., and B. Wilson, “The Fluid-Lift Solids Recirculator,” Mech. Chem. Eng. Trans. (Australia), 117 (May, 1965).
2. Curran, G. P., B. Pasek, M. Pell, and E. Gorin, “Pretreatment of Bituminous Coals for Pressure Gasification,” paper presented at the Fluidized Bed Combusion Symposium, American Chemical Society Meeting, Chicago (August 27, 1973).
3. “Vertical Pneumatic Conveyor With a Fluidized Bed as Mixing Zone,”;Decamps;Powder Technol.
4. Horsler, A. G., and B. H. Thompson, “Fluidization in the Development of Gas Making Process,” Proc. Tripartite Chem. Engr. Conf., p. 51, Montreal (1968).