1. M. A. Green, J. Zhao, A. Wang, et al., Nature 412, 805 (2001).
2. W. L. Ng, M. A. Lourenço, R. M. Gwilliam, et al., Nature 410, 192 (2001).
3. O. B. Gusev, M. S. Bresler, I. N. Yassievich, and B. P. Zakharchenya, in NATO Workshop on Optical Amplification and Stimulation in Silicon, OASIS, Trento (2002).
4. A. Froitzheim, K. Brendel, L. Elstner, et al., J. Non-Cryst. Solids 299–302, 663 (2002).
5. V. N. Abakumov, V. I. Perel’, and I. N. Yassievich, Nonradiative Recombination in Semiconductors (S.-Peterb. Inst. Yad. Fiz. Ross. Akad. Nauk, St. Petersburg, 1997).