1. P. P. Fedorov, A. E. Kokh, and N. G. Kononova, Usp. Khim. 71(8), 741 (2002).
2. T. B. Bekker, A. E. Kokh, N. G. Kononova, et al., Crystal Growth Design 9, 4060 (2009).
3. B. V. Slobodin, Vanadates of s-Elements (Uro RAN, Yekaterinburg, 2008) [in Russian].
4. V. I. Lutsyk, Analysis of the Liquidus Surface of Ternary Systems (Nauka, Moscow, 1978) [in Russian].
5. V. P. Vorob’eva, V. I. Lutsyk, and O. G. Sumkina, Zh. Neorg. Khim. 34(8), 2101 (1989).