1. E. A. Garcia, University thesis, Univ. Paris-Sud, Orsay (1974).
2. R. Feldman, 3rd cycle thesis, Univ. Paris VI (1975);
3. R. Feldman, M. Dechamps, and P. Lehr, Met. Corros. Ind.617, 1 (1977);619, 105 (1977);620, 140 (1977). M. Dechamps and P. Lehr,J. Less-Common Met. 56, 193–207 (1977).
4. J. Com-Nougue—PhD. thesis, Univ. Paris-Sud, Orsay (1972).
5. J. E. Lopes Gomes—University thesis, Univ. Paris-Sud, Orsay (1977).