1. Wu, L.-M., Wu, X.-T., and Chen, L., Coord. Chem. Rev., 2009, vol. 253, nos 23–24, p. 2787.
2. Louvain, N., Mercier, N., and Boucher, F., Inorg. Chem., 2009, vol. 48, no. 3, p. 879.
3. Hrizi, C., Samet, A., Abid, Y., et al., J. Mol. Struct., 2011, vol. 992, nos 1–3, p. 96.
4. Jakubas, R., Piecha, A., Pietraszko, A., and Bator, G., Phys. Rev., 2005, vol. B72, no. 10, p. 104107.
5. Piecha, A., Biao'ska, A., and Jakubas, R., J. Phys.: Condens. Matter, 2008, vol. 20, no. 32, comm. 325224.