1. Wayne Z. Friend, ?Corrosion of Nickel and Nickel-Base Alloy? (Wiley, New York, 1980) p. 248.
2. J. Kolts, J. B. C. Wu andA. I. Asphahani,Metal Progr. September (1983) 25.
3. F. G. Hodge andR. W. Kirchner,Mater. Performance 15 (1976) 40.
4. N. S. Stoloff,Int. Met. Rev. 29 (3) (1984) 123.
5. C. T. Liu,ibid. 29 (3) (1984) 168.