1. I. G.C. Pimente, C.W. Garland and G. Jura, J. Amer. Chem. Soc., 75, 803 (1953).
2. N.Sheppard and D.J.C. Yates, Proc.Roy. Soc., A 238, 69 (1956).
3. D.J.C. Yates, N. Sheppard and C.L. Angell, J. Chem. Phvs., 23, 1980 (1955).
4. J.P. Mathieu, N. Sheppard, and D.J.C. Yates, Z. Elektrochem., 64, 734 (1960).
5. N.G. Yaroslaysky and A.N. Terenin, Doklady Akad. Nauk S.S.S.R., 66, 885 (1949).