1. G.K. Wertheim:Mössbauer Effect: Principles and Applications, Academic Press, New York, NY, 1964, and V.I. Goldanskii and R. H. Herber:Chemical Applications of Mössbauer Spectroscopy, Academic Press, New York, NY, 1968.
2. U. Gonser:Introduction to Mössbauer Spectroscopy, Plenum Press, New York, NY, 1971, ch. 8, and F. E. Fujita:Topics in Applied Physics: Mössbauer Spectroscopy, Springer-Verlag, Berlin and New York, NY, 1975, vol. 5.
3. M. Ron:Applications of Mössbauer Spectroscopy, Academic Press, New York, NY, 1980, vol. II, ch. 7.
4. G. R. Speich and W. C. Leslie:Metall. Trans., 1972, vol. 3, p. 1043.
5. M. Cohen:Trans. TMS-AIME, 1962, vol. 224, p. 638.