1. M. Kahnert. Numerical methods in electromagnetic scattering theory: J. Quant. Spectrosc. Radiat. Transfer
79–80, 775, 2003.
2. H.C. van de Hulst. Light Scattering by Small Particles, Dover Publications, New York, 1957.
3. P.M. Morse, H. Feshbach. Methods of Theoretical Physics, McGraw-Hill, New York, 1953.
4. C. Tai. Dyadic Green Functions in Electromagnetic Theory, 2nd edn, IEEE Press, New York, 1994.
5. P.C. Waterman. Symmetry, unitarity, and geometry in electromagnetic scattering: Phys. Rev. D
3, 825, 1971.