1. M. Pourbaix, ?Atlas d'�quilibres �lectrochimiques � 25�C?, Gauthier-Villars, Paris (1963).
2. H. L. Craig, in ?Localized Corrosion? (edited by R. W. Stachle), NACE, Houston, TX (1974) pp. 600?7.
3. M. J. Pryor, in ?Localized Corrosion?, [2], pp. 600?7.
4. Aluminium, ?Properties and physical metallurgy?, (edited by John E. Hatch), ASM (1984).
5. Reboul (M. C.),Revue de l'aluminium,419, 399 (1973).