1. National Association of Corrosion Engineers Materials Requirement, MR-01-75.
2. E. Snape:Corrosion, 1967, vol. 23, pp. 154–72.
3. E. Snape:Corrosion, 1968, vol. 24, pp. 261–82.
4. W. M. Cain and A. R. Troiano:Pet. Eng., 1965, vol. 37, pp. 78–82.
5. A. R. Troiano:Trans. ASM, 1960, vol. 52, p. 54.