1. Hudson, J. C., “Corrosion of Iron and Steel”, 93 (Chapman and Hall, 1940).
2. Copson, H. R., Corrosion, 533 (October 1959).
3. Vernon, W. H. J., Trans. Farad. Soc., 23, 166 (1927).
4. Vernon, W. H. J., Trans. Farad. Soc., 27, 264 (1931).
5. Gulbransen, E. A., and Copan, T. P., “Physical Metallurgy of Stress Corrosion Fracture”, 155 (Interscience Pub., New York, 1960).