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2. A.D. Le Claire: In Physical Chemistry, ed. by H. Eyring, D. Henderson, W. Jost (Academic, New York 1970), p. 261
3. C.P. Flynn: Point Defects and Diffusion (Clarendon, Oxford 1972)
4. G.E. Murch: Atomic Diffusion Theory in Highly Defective Solids (Trans. Tech, Aedermanns-dorf, Switzerland 1980)
5. G.E. Murch: Phil. Mag. A 45, 685 (1982)