1. 1)ASTM Standards, G78-83, ASTM, Philadelphia (1983).
2. 2)R. M. Kain, Corrosion, 40, 313 (1984).
3. 3)R. M. Kain, T. S. Lee and J. W. Oldfield, Corrosion/85, NACE, Boston, Paper No.60 (1985).
4. 4)MichaelA. Streicher, Materials Performance, 22, 37 (1983).
5. 5)ASTM Standards, G48-79, ASTM, Philadelphia (1979).