1. T.K. Sherwood, P. Pigford, C.P. Wilke, Mass Transfer, Himyia, Moscow, 1982 (Russian translation).
2. Diffusion of Electrolytes in Polymers;Zaykov,1984
3. V.B. Ratinov, F.M. Ivanov, Chemistry in Civil Engineering, 2d ed., Stroyizdat, Moscow, 1977 (in Russian).
4. Non Steady Processes in Catalytic Reactors,1982
5. J. Crank, The Mathematics of Diffusion, 2d ed., Clarendon Press, Oxford University Press, London, 1975.