1. Reverdin, F., Helv. Chim. Acta, 1927, vol. 10, p. 34.
2. Quarishi, M.A., Rawat, J., and Ajmal, M., Proc. Int. Corros. Conf., 1997, vol. 2, p. 634.
3. Laskawiec, J., Sozanska, M., Trzcionka, B., and Sukurczynska, J., Korroz., 1995, vol. 38, p. 249.
4. Shibad, P.R. and Adhe, K.N., J. Electrochem. Soc. (India), 1981, vol. 30, p. 103.
5. Shibad, P.R., J. Electrochem. Soc. (India), 1987, vol. 27, p. 55.