1. O. L. Riggs, Jr, in ?Corrosion Inhibitors? (edited by C. C. Nathan) NACE, Houston (1973) p. 7.
2. S. M. Mayanna and T. H. V. Setty,Corrosion Sci. 15 (1975) 627.
3. N. Hackerman and R. M. Hurd,1st Int. Congress on Metallic Corrosion Butterworths, London (1962) p. 166.
4. D. A. Vermilyea,ibid (1962) p. 62.
5. S. Nakagawa and G. Hashizume,Denkikagaku 43 (1975) 500.