1. Rau, E.L., Zhukov, A.N., and Yakimov, E.B., Solid State Phenom., 1998, vols. 53–54, p. 327.
2. Buzynin, A.N., Zabolotskii, S.E., Kalinushkin, V.P., et al., Fiz. Tekh. Poluprovodn., 1990, vol. 24, no. 2, pp. 264–270.
3. Astaf’ev, O.V., Buzynin, A.N., Buval’tsev, A.I., et al., Fiz. Tekh. Poluprovodn., 1994, vol. 28, no. 3, pp. 407–415.
4. Zeifert, W., Kitler, M., Vanhellemont, J., et al., Proc. Conf. on Defects Recognition, Colorado, 1995, p. 78.
5. Shen, B., Sekguchi, T., Jablonski, J., and Sumino, K., J. Appl. Phys., 1994, vol. 76, no. 8, pp. 4540–4546.