1. Gjostein, N. A. and Hirth, J. P., “On the Surface Self-Diffusion Coefficient,” Acta Met., 13 (1965), 991.
2. Kossel, W., Nach. Ges. W.ss, Gottingen (1927), p. 135.
3. Gjostein, N. A., “Surface Self-Diffusion,” Metal Surfaces: Structure, Energetics and Kinetics, ASM/AIME Seminar, Cleveland (1963).
4. Burton, W. K., Cabrera, N., and Frank, F. C., “The Growth of Crystals and the Equilibrium Structure of Their Surfaces,” Phil. Trans. Roy. Soc., 243A (1951), 299.
5. Blakely. J. M., “Comment On the Surface Self-Diffusion Coefficient,” Acta. Met., 14 (1966), 898.