1. G. M. Zharkova and A. S. Sonin, Mesomorphic Composites (Nauka, Moscow, 1994) [in Russian].
2. P. J. Collings and M. Hird, Introduction to Liquid Crystal Chemistry and Physics (Taylor and Francis, London, 1997).
3. P.-G. de Gennes, The Physics of Liquid Crystals (Oxford Univ. Press, London, 1983; Mir, Moscow, 1977).
4. I.-C. Khoo and S.-T. Wu, Optics and Nonlinear Optics of Liquid Crystals (World Sci., Singapore, 1993).
5. L. M. Blinov, Electro-Optical and Magneto-Optical Properties of Liquid Crystals (Nauka, Moscow, 1978; Wiley, New York, 1983).