1. K. R. Welford, Opt. Quantum Electron. 23, 1 (1991).
2. V. F. Nazvanov and O. A. Afonin, Pis’ma Zh. Tekh. Fiz. 20(7), 26 (1994) [Tech. Phys. Lett. 20, 271 (1994)].
3. V. F. Nazvanov and D. I. Kovalenko, Pis’ma Zh. Tekh. Fiz. 21(14), 60 (1995) [Tech. Phys. Lett. 21, 565 (1995)].
4. B. Chadwick and M. Gal, Jpn. J. Appl. Phys. Pt. I 32, 2716 (1993).
5. L. M. Blinov, Electro-Optical and Magneto-Optical Properties of Liquid Crystals, Wiley, New York, 1983 [Russian original, Nauka, Moscow, 1978].