1. M. J. Adams, An Introduction to Optical Waveguide (Wiley, New York, 1981).
2. A. Snyder and J. Love, Optical Waveguide Theory (Chapman and Hall, London, 1983).
3. L. A. Vainshtein, Electromagnetic Waves (Sovetskoe Radio, Moscow, 1957) [in Russian].
4. D. Marcuse, Light Transmission Optics (Krieger, Malabar, 1989).
5. L. Brekhovskikh, Waves in Layered Media (Academic, New York, 2012).