1. V. V. Kafarov and V. S. Murav'ev Zhurnal prikladnoi khimii,32, No. 9 (1959).
2. I. E. Howkins and I. F. Davidson, Am. Inst. Chem. Eng. Journal,4, No. 3 (1958).
3. T. K. Sherwood, G. H. Shipley, and F. A. Holloway, Ind. Eng. Chem.,30 (1938).
4. J. W. Bertetti, Trans. Am. Inst. Chem. Eng.,38 (1942).
5. W. A. Bain and O. H. Hoygen, Trans. Am. Inst. Chem. Eng.,40 (1944).