1. N. Maki and N. Tanaka, in ?Encyclopedia of Electrochemistry of the Elements?, Vol. III (edited by A. J. Bard), Marcel Dekker, New York (1975) pp. 43?210.
2. A. J. Arvia and D. Posadas, in pp. 212?421.
3. R. P. Frankenthal and J. Kruger (eds), ?Passivity of Metals?, The Electrochemical Society Inc., Princeton, New Jersey (1978).
4. D. H. Davies and G. T. Burstein,Corros. Sci. 20 (1980) 973.
5. 20 (1980) 989.