1. I. I. Seifullina, E. E. Martsinko, G. G. Aleksandrov, and V. S. Sergienko, Zh. Neorg. Khim. 49(6), 928 (2004).
2. E. E. Martsinko, I. I. Seifullina, V. S. Sergienko, and A. V. Churakov, Zh. Neorg. Khim. 50(6), 953 (2005).
3. I. I. Seifullina, E. E. Martsinko, V. N. Tkachenko, et al., Visnik ONU, Ser. Khim. 10(8), 5 (2005).
4. Bruker APEX2 and SAINT (Bruker AXS, Madison, WI, 2007).
5. G. M. Sheldrick, SADABS (University of Göttingen, Göttingen, 1997).