1. A. S. Ilyushin, A. V. Sorokin, A. G. Khundzhua, and I. V. Pestov, Vestn. Mosk. Univ. Ser. Fiz. Astron. 31(2), 98 (1990).
2. E. V. Chuprunov, A. F. Khokhlov, and M. A. Faddeev, Crystallography (Fizmatlit, Moscow, 2000) [in Russian].
3. A. G. Khundzhua, Matriix Method of Description of Crystal Structures and Its Use to the Analysis and Simulation of Diffraction Images of Electrons and X-Rays (Phys. Dept., Moscow State Univ., Moscow, 2010) [in Russian].
4. A. G. Khundzhua, A. V. Sorokin, and E. V. Chernov, Vestn. Mosk. Univ. Ser. Fiz. Astron. 32(5), 86 (1991).
5. A. G. Khundzhua, E. A. Brovkina, and Ch. Shaotao, Moscow Univ. Phys. Bull. 65, 184 (2010).