1. F.R. Fickett, Mater. Sci. Engng. 14(1974)199.
2. C. Wagner, Z. Electrochem. 63(1959)772.
3. L.S. Darken, Trans. ASM 54(1961)599.
4. H.H. Podgórski and F.N. Davis, Trans. AIME 224(1962)308.
5. J.E. Verfurth and R.A. Rapp, Trans. AIME 230(1964)1310.