1. I. A. Badmaeva, L. L. Sveshnikova, S. M. Repinskii, et al., Zh. Fiz. Khim. 75(12), 2256 (2001).
2. Yu. M. L’vov and L. A. Feigin, Kristallografiya 32(6), 800 (1987) [Sov. Phys. Crystallogr. 32 (6), 473 (1987)].
3. B. K. Vainshtein and V. V. Klechkovskaya, Kristallografiya 39(2), 301 (1994) [Crystallogr. Rep. 39 (2), 256 (1994)].
4. V. V. Klechkovskaya and L. A. Feigin, Kristallografiya 43(6), 975 (1998) [Crystallogr. Rep. 43 (6), 917 (1998)].
5. L. Yanusova, V. Klechkovskaya, L. Sveshnikova, et al., Liq. Cryst. 14, 1615 (1993).