1. Zh. I. Alferov, Fiz. Tekh. Poluprovodn. (St. Petersburg) 32, 3 (1998) [Semiconductors 32, 1 (1998)].
2. N. N. Ledentsov, V. M. Ustinov, V. A. Shchukin, et al., Fiz. Tekh. Poluprovodn. (St. Petersburg) 32, 385 (1998) [Semiconductors 32, 343 (1998)].
3. V. M. Ustinov, Fiz. Tekh. Poluprovodn. (St. Petersburg) 38, 963 (2004 [Semiconductors 38, 923 (2004)].
4. M. V. Maksimov, Yu. M. Shernyakov, N. V. Kryzhanovskaya, et al., Fiz. Tekh. Poluprovodn. (St. Petersburg) 38, 763 (2004) [Semiconductors 38, 732 (2004)].
5. I. I. Novikov, M. V. Maksimov, Yu. M. Shernyakov, et al., Fiz. Tekh. Poluprovodn. (St. Petersburg) 37, 1270 (2003) [Semiconductors 37, 1239 (2003)].