1. I. P. Suzdalev, Nanotechnology: Physical Chemistry of Clusters, Nanostructures, and Nanomaterials (URSS, Moscow, 2005) [in Russian].
2. A. S. Alikhanyan, I. P. Malkerova, N. P. Kuz’mina, et al., Zh. Neorg. Khim. 44(6), 969 (1999) [Russ. J. Inorg. Chem. 44 (6), 907 (1999)].
3. A. Gleizes, M. Julve, N. Kuzmina, et al., Eur. J. Inorg. Chem 5, 1169 (1998).
4. G. V. Girichev, S. A. Shlykov, N. I. Giricheva, et al., Zh. Fiz. Khim. 81(4), 1 (2007) [Russ. J. Phys. Chem. 81 (4), 524 (2007)].
5. I. P. Malkerova, A. S. Alikhanyan, S. V. Eliseeva, et al., Zh. Neorg. Khim. 52(6), 989 (2007) [Russ. J. Inorg. Chem. 52 (6), 918 (2007)].