1. Alcock, N.W., Errington, W., Kemp, T.J., et al., Acta Crystallogr., Sect. C: Cryst. Struct. Commun. 1996, vol. 52, no. 3, p. 615.
2. Serezhkina, L.B., Mikhailov, Yu.N., Gorbunova, Yu.E., et al., Zh. Neorg. Khim., 2005, vol. 50, no. 8, p. 1273 [Russ. J. Inorg. Chem. (Engl. Transl.), vol. 50, no. 8, p. 1173].
3. Sheldrik, G.M., SADABS, Program for Empirical X-Ray Absorption Correction, Bruker-Nonis, 1990–2004.
4. Sheldrik, G.M., SHELX-97. Release 97-2. Göttingen (Germany): Univ. of Göttingen, 1998.
5. Serezhkin, V.N., Problemy kristallokhimii (Problems of Crystal Chemistry), Moscow: Nauka, 1986, p. 148.