1. D. K. Wickenden, M. J. Sisson, et al., Solid-State Electron. 27, 515 (1984).
2. Sh. G. Askerov and I. G. Pashayev, in Proceedings of the 2nd International Conference on Technical and Physical Problems in Power Engineering (Tabriz, 2004), p. 367.
3. Sh. G. Askerov, Extended Abstract of Doctoral Dissertation (Baku, 1992).
4. K. T.-Y. Kung, I. Suni, and M.-A. Nikolet, Appl. Phys. Lett. 55, 3882 (1984).
5. Sh. G. Askerov and I. G. Pashaev, in Proceedings of the International Conference Physics-2005 (Azerbaidzhan, 2005), p. 193.