1. J. C. Maxwell, “A dynamical theory of the electromagnetic field,” Phil. Trans. Roy. Soc. (London), vol. 155, pp. 450–521, 1865.
2. J. C. Maxwell, A Treatise on Electricity and Magnetism. Oxford: Oxford University Press, 1873.
3. H. A. Lorentz, The Theory of Electrons. Leipzig: Teubner, 1906. Ch. IV.
4. A. Einstein, “Zur elektrodynamik bewegter körper,” Ann. Phys., vol. 17, pp. 891–921, 1905.
5. R. B. Lindsay, Mechanical Radiation. New York: McGraw-Hill, 1960. Ch. 1.