1. V. M. Valyashko, Phase Equilibria and Properties of Hydrothermal Systems (Nauka, Moscow, 1990) [in Russian].
2. B. I. Kidyarov, Sib. Khim. Zh. 2, 5 (1993).
3. V. V. Kuznetsov, A. K. Lyashchenko, and V. R. Trostin, Zh. Neorg. Khim. 38, 159 (1993).
4. N. B. Librovich, R. M. Vinnik, and V. A. Roznyatovskii, Dokl. Ross. Akad. Nauk 362, 779 (1998).
5. A. K. Lyashchenko and A. Yu. Zasetskii, Zh. Strukt. Khim. 39, 851 (1998).