1. J. D. Joannopoulos, R. Meade, and S. N. Winn, Photonic Crystals (Univ. Press, Princeton, 1995).
2. V. F. Shabanov, S. Ya. Vetrov, and A. V. Shabanov, Optics of Real Photonic Crystals. Liquid-Crystal Defects and Inhomogeneities (Izd-vo SO RAN, Novosibirsk, 2005) [in Russian].
3. H. A. Macleod, Thin-Film Optical Filters (CRC Press, Boca Raton, 2010).
4. S. Ghoniemy and S. Mahmoud, in Proceedings of IEEE Int. Conf. on Signal Processing and Communications, Dubai, United Arab Emirates, 2007, p. 1111.
5. G. L. Matthaei, L. Young, and E. M. T. Jones, Micro-wave Filters, Impedance-Matching Networks, and Coupling Structures (Artech House, Norwood, 1980).