1. R.E. Kesting, A.K. Fritzsche, Polymeric Gas Separation Membranes, Wiley, New York, NY, 1993.
2. D.R. Paul, Y.P. Yampol’skii, Polymeric Gas Separation Membranes, CRC Press, Boca Raton, FL, 1994.
3. Economics of gas separation membranes;Spillman;Chem. Eng. Prog.,1989
4. Polymers for gas separations: the next decade;Stern;J. Membr. Sci.,1994
5. Material selection considerations for gas separation processes;Koros;Polym. Eng. Sci.,1987