1. S. U. Falk and A. J. Salkind, ?Alkaline Storage Batteries?, John Wiley & Sons, New York (1969).
2. A. J. Arvia and D. Posadas, in ?The Electrochemistry of the Elements?, Vol. 3 p. 212 (Ed., A. J. Bard), Marcel Dekker, New York (1975).
3. J. R. Vilche and A. J. Arv�a,Corros. Sci.,15 (1975) 419.
4. G. Baranowski and K. Bochenska,Z. physik. Chem. 45 (1965) 140.
5. L. A. Burkal'tseva and A. G. Pshenichnikov,Elektrokhimiya,12 (1976) 42.