1. V. P. Korolev, Zh. Neorg. Khim. 48(11), 1925 (2003) [Russ. J. Inorg. Chem. 48 (11), 1773 (2003)].
2. V. P. Korolev, Zh. Fiz. Khim. 78(8), 1359 (2004) [Russ. J. Phys. Chem. 78 (8), 1187 (2004)].
3. V. P. Korolev, Zh. Fiz. Khim. 79(3), 475 (2005) [Russ. J. Phys. Chem. 79 (3), 395 (2005)].
4. N. L. Potkina, N. A. Litova, and V. P. Korolev, Izv. Ross. Akad. Nauk, Ser. Khim., No. 2, 271 (1999).
5. N. L. Smirnova and V. P. Korolev, Zh. Fiz. Khim. 78(3), 417 (2004) [Russ. J. Phys. Chem. 78 (3), 338 (2004)].