1. P. I. Boddy and W. H. Brattain, J. Electrochem. Soc.,109, 812 (1962).
2. R. Memming, Phys. Letters,7, 89 (1963).
3. V. V. Eletskii and Yu. V. Pleskov, élektrokhimiya,1, 194 (1965);1, 1485 (1965).
4. O. V. Romanov and P. P. Konorov, Questions of Solid State Electronics [in Russian], Vol. 1, LGU (1968), p. 137.
5. V. G. Bozhkov, Candidate's Dissertation, Tomsk (1971).