1. L. A. Kosyachenko, Mikroelektronika,8, No. 5, 387?397 (1979).
2. M. Gershenzon and R. M. Mikulyak, J. Appl. Phys.,32, No. 7, 164?174 (1961).
3. B. S. Verman, V. V. Evstropov, and V. V. Tsarenkov, Fiz. Tekh. Poluprovodn.,5, No. 1, 134?138 (1971).
4. L. A. Kosyachenko, Zh. Tekh. Fiz.,52, No. 4, 779?781 (1982).
5. M. H. Pilkuhn, J. Appl. Phys.,40, No. 7, 3162?3170 (1969).