1. H.H. Wickman and G.K. Werthein, in:Chemical Applications of Mössbauer Spectroscopy, ed. V.I. Goldanskii and R.H. Herber (Academic Press, 1968).
2. J.M. Friedt and J. Danon, Radiochim. Acta 17(1972)173.
3. J.M. Friedt and J. Danon, At. En. Rev. 18(1980)893.
4. P. Imbert,Int. Conf. Appl. Mössbauer Eff. (ICAME), Alma-Ata (URSS), 1983 (Gordon and Breach, London, 1984).
5. H. Sano and P. Gütlich, in:Hot Atom Chemistry, ed. T. Matsuura (Kodansha Ltd., Tokyo, 1984), p. 265.