1. A. V. Kostrikin, Candidate’s Dissertation in Chemistry (MGPU, Moscow, 1988).
2. V. F. Gillebrandt, G. É. Lendel’, G. A. Braĭt, and D. N. Gofman, Practical Guidance on Inorganic Synthesis (Khimiya, Moscow, 1966) [in Russian].
3. G. M. Sheldrick, SHELXS97. Program for the Solution of Crystal Structures from Diffraction Data (Univ. of Göttingen, Göttingen, 1997).
4. G. M. Sheldrick, SHELXL97. Program for Crystal Structure Refinement (Univ. of Göttingen, Göttingen, 1997).
5. A. M. Il’inets, A. V. Kostrikin, B. N. Ivanov-Émin, et al., Kristallografiya 34(5), 1127 (1989) [Sov. Phys. Crystallogr. 34, 679 (1989)].