1. C. Y. Wen and L. T. Fan, ?Models for Flow Systems and Chemical Reactors,? Dekker, New York (1975).
2. M. F. Edwards and J. F. Richardson,Chem. Eng. Sci. 23 (1968) 109.
3. J. Comiti, Thesis, Grenoble (1987).
4. N. Wakao and S. Kaguei, ?Heat and Mass Transfer in Packed Beds,? Gordon and Breach, London (1982).
5. W. C. Clements,Chem. Eng. Sci. 25 (1969) 957.