1. Yu. S. Boyarskaya, R. P. Zhitaru, and M. A. Linte, Kristallografiya 41(4), 737 (1996) [Crystallogr. Rep. 41, 700 (1996)].
2. R. P. Zhitaru and N. A. Palistrant, Fiz. Tverd. Tela (St. Petersburg) 41(6), 1041 (1999) [Phys. Solid State 41, 947 (1999)].
3. E. D. Shchukin, V. I. Savenko, and L. A. Kochanova, Dokl. Akad. Nauk SSSR 200(2), 406 (1971).
4. V. I. Savenko, L. A. Kochanova, and E. D. Shchukin, Kristallografiya 17(5), 995 (1972) [Sov. Phys. Crystallogr. 17, 874 (1972)].
5. B. I. Smirnov, Dislocation Structure and Strengthening of Crystals (Nauka, Leningrad, 1981).