1. C. J. Hora and D. E. Maloney, Electrochem.Soc. Extended Abstr., 77 (2), 1145 (1977).
2. W. G. Grot, U.S. patents 3,969,285 (1976); 4,026,783 (1977); 4,030,988 (1977). Also S. K. Burkhardt and D. E. Maloney, U.S. patent 4,168, 216 (1979).
3. Nafion is a registered trademark of E. I. duPont de Nemours & Co., Inc. for its perfluorosulfonic acid products.
4. S. C. Yeo and A. Eisenberg, J. Appl. Polym. Sci., 21, 875 (1977).
5. J. Zurakowska-Orszagh, W. Busz, and K. Soerjosoeharto, Bull. Acad. Pol. Sci., Ser. Sci. Chim., 25 (11), 845 (1977).