1. T. R. Usacheva, S. F. Ledenkov, and V. A. Sharnin, in Proceedings of the 19th All-Russian Chugaev Meeting on Chemistry of Complex Compounds, Ivanovo, Russia, 1999, p. 266.
2. T. R. Usacheva, S. F. Ledenkov, V. A. Sharnin, and A. Gzheidzyak, Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol. 43(5), 87 (2000).
3. T. R. Usacheva, V. A. Sharnin, and S. F. Ledenkov, Russ. J. Gen. Chem. 71, 707 (2001).
4. T. R. Usacheva, S. F. Ledenkov, V. A. Sharnin, and A. Gzheidzyak, Russ. J. Coord. Chem. 27, 203 (2001).
5. V. P. Vasil’ev, T. D. Orlova, and T. V. Balashova, Russ. J. Phys. Chem. A 71, 1365 (1997).