1. H. S. Horowitz, J. M. Longo and J. T. Lewandowski,US Patent 4 129 525 (1978).
2. R. Manoharan, A. Hamnett and J. B. Goodenough, in ?Book of Abstracts? of the Third European Conference on Solid State Chemistry, Vol. 2, Regensburg (1986) p. 226.
3. G. A. Eisman,Proc. Electrochem. Soc. 86 (1986) 13, 156.
4. D. Chu, D. Gervasio, M. Razaq and E. B. Yeager,J. Applied Electrochem. 20 (1990) 157.
5. R. Manoharan, M. Paranthaman and J. B. Goodenough,Eur. J. Solid State Inorg. Chem. 26 (1989) 155.