1. D. L. Markle and J. P. Mohns, U.S. Patent 3,567,515 (March 2, 1971 ).
2. J. P. Gabano, French Patent 1,583,804 (December 5, 1969 ).
3. James J. Auborn, Adam Heller, and Kenneth W. French, in Proc. 25th Power Sources Symposium, U.S. Army ECOM, Fort Monmouth, N.J., 1972, p. 6.
4. James J. Auborn, Kenneth W. French, Sheldon I. Lieberman, Vinod K. Shah, and Adam Heller, J. Electrochem. Soc. 120 (1973) 1613.
5. Wishvender K. Behl, John A. Christopulos, Maria Ramirez, and Sol Gilman, J. Electrochem. Soc. 120 (1973) 1619.