1. S.J. Rothman in Diffusion in Crystalline Solids, edited by G.E. Murch and A.S. Nowick (Academic Press, Orlando, 1984) p.1.
2. I.V. Belova and G.E. Murch, Phil. Mag. Vol. 85 (2005), p.1191.
3. L. Höglund and J. Ågren, Acta Mater. Vol. 49 (2001), p.1311.
4. L.S. Darken: Trans. Am. Inst. Min. (Metall. ) Eng. Vol. 175 (1948), p.184.
5. J.R. Manning: Diffusion Kinetics for Atoms in Crystals (Van Nostrand, Princeton, 1968).