1. J. L. Volakis and K. Sertel, Integral Equation Methods for Electromagnetics (SciTech, 2012).
2. W. Gibson, The Method of Moments in Electromagnetics (Chapman and Hall/CRC, Boca Raton, 2008).
3. P. Ya. Ufimtsev, Fundamentals of the Physical Theory of Diffraction (Wiley, Hoboken, 2014).
4. P. Ya. Ufimtsev, Method of Edge Waves in the Physical Theory of Diffraction (Sovetskoe Radio, Moscow, 1962; NTIS, Alexandria, VA, 1980).
5. F. Saez de Adana, Practical Applications of Asymptotic Techniques in Electromagnetics (Artech, Boston, 2011).