1. J. RUIZet al.: Rev. Met. CENIM, 1984, 20, (1), 7.
2. M. L. ESCUDERO, S. FERREIRA, J. A. GONZALEZ, and J. RUIZ: Rev. Iheroam. Corros. Prot.1983, 14, 177.
3. Electrochemical Polarization
4. D. C. MEARS: Int. Met. Rev.1977, 22, 119.
5. K. C. PENG: 'The design and analysis of scientific experiments'; 1967, New York, Addison-Wesley.