1. G. M. Scamans, R. Alani andP. R. Swann,Corros. Sci.
16 (1976) 443.
2. M. O. Spiedel, “The theory of stress corrosion cracking in alloys”, edited by J. C. Scully (NATO, Brussels, 1971) p. 289.
3. R. S. Alwitt, “Oxide and oxide films”, Vol. 4, edited by J. W. Diggle (Marcel Dekker, New York, 1976) p. 169.
4. R. K. Hart,Trans. Faraday Soc.
53 (1957) 1020.
5. G. C. Bye andJ. G. Robinson,Chem. & Ind. (1963) 612.