1. A. V. Gerasimenko, V. Ya. Kavun, V. I. Sergienko, and T. F. Antokhina, Koordinats. Khim., 25, No. 8, 604 (1999).
2. V. Ya. Kavun, N. A. Didenko, A. V. Gerasimenko, et al., Zh. Neorg. Khim., 51, No. 4, 565 (2006).
3. V. Ya. Kavun, A. V. Gerasimenko, V. I. Sergienko, et al., Zh. Prikl. Khim., 75, No. 6, 966 (2000).
4. M. R. Bauer, D. L. Pugmire, B. L. Paulsen, et al., J. Appl. Crystallogr., 34, No. 1, 47 (2001).
5. P. E. Ellingham, P. G. Gordon, F. Guy, and J. Rosevear, Text. Res. J., 53, No. 10, 577 (1983).