1. L. P. Ivanov, A. S. Logginov, V. V. Randoshkin, and R. V. Telesnin, Sov. JETP Lett. 23 (1976) 627 [in Russian].
2. V. G. Kleparsky, N. P. Dymchenko, Magneto-Semicon-ductor Devices for Information Processing, ed. M. A. Rosenblat ( Nauka, Moscow, 1978 ) p. 119 [in Russian].
3. R. V. Telesnin, V. N. Dudorov, A. T. Morchenko, and V. V. Randoshkin, Microelectronika 8 (1979) 79 [in Russian].
4. V. G. Kleparsky, Magneto-Semiconductor Devices for Information Processing, ed. M. A. Rosenblat ( Nauka, Moscow, 1978 ) p. 101 [in Russian].
5. A. Aharoni, J. Appl. Phys. 33 (1962) Suppl. 1324.