1. Relations between the Concentrations of Imperfections in Crystalline Solids
2. F. A. Kroger, in The Chemistry of Imperfect Crystals, North-Holland Publishing Company, Amsterdam (1964)
3. J. R. Manning, in Diffusion Analysis and Applications, (Edited by A. D. Romig and M. A. Dayananda), p. 3. TMS, Metals Park, OH. (1989)
4. C. D. Flynn, Point Defects and Diffusion. Oxford University Press, Oxford, U.K. (1972)