1. Barrett TW (1993) Electromagnetic phenomena not explained by Maxwell’s equations, essays on the formal aspects of electromagnetic theory. World Scientific Publishing, Hong Kong, Hong Kong
2. Rohrlich F (2007) Classical charged particles, 3rd edn. World Scientific Publishing, Singapore
3. Collin RE (1991) Field theory of guided waves, 2nd edn. IEEE Press, New York
4. Jackson JD (1998) Classical electrodynamics, 3rd edn. Wiley, New York
5. Kong JA (2008) Electromagnetic wave theory. EMW Publishing, Cambridge, MA