1. Physical Encyclopaedia, Ed. by A. M. Prokhorov (Bol’shaya Ross. Éntsiklopediya, Moscow, 1995) [in Russian].
2. O. V. Trapezov, Filos. Nauki, No. 1, 2 (1996).
3. I. V. Lindell, A. H. Sihvola, S. A. Tret’yakov, and A. J. Viitanen, Electromagnetic Waves in Chiral and Bi-Isotropic Media (Artech House, London, 1994).
4. B. Z. Katsenelenbaum, E. N. Korshunova, A. N. Sivov, and A. D. Shatrov, Phys. Usp. 40, 1149 (1997) [Usp. Fiz. Nauk 167, 1201 (1997)].
5. A. Lakhtakia, V. K. Varadan, and V. V. Varadan, Time-Harmonic Electromagnetic Fields in Chiral Media, Lect. Notes Phys. (Springer, Heidelberg, 1989).