1. 2(a)B.R. Ezzell, W.P. Carl and W.A. Mod, U.S. Patent 4,358,412 (1983).
2. Ion exchange membranes for the chlor-alkali industry;Ezzell,1986
3. The Twenty-year battery;Reiman;Can. Res.,1987
4. Structure and properties of short-side-chain perflourosulfonate ionomers;Tant,1989