1. Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 19, 3rd ed., Wiley, New York, 1982.
2. L. Rosenberg, V. Chong, Propylene in the twenty-first century, in: Proceedings of the Business Intelligence Program, SRI Consulting, 1997.
3. Facilitated transport of olefins in Ag+-containing polymer membranes;Ho;J. Membr. Sci.,1994
4. E.F. Steigelmann, R.D. Hughes, Separation of unsaturated hydrocarbons, US Patent 3,758,603 (1973).
5. Separation of ethylene from ethane by supported liquid membranes containing silver nitrate as a carrier;Teramoto;J. Chem. Eng.,1986