1. J. D. Jackson:Classical Electrodynamics (John Wiley and Sons, New York, N.Y., 1975), 2nd Ed.
2. P. A. M. Dirac:Proc. R. Soc. London Ser. A,167, 148 (1938).
3. S. Coleman:Classical Electron Theory from a Modern Standpoint, Rand Report RM-2820-PR (1961).
4. A more detailed discussion of the historical development of the radiation concept can be found in the monograph byF. Rohrlich:Classical Charged Particles (Addison-Wesley Publ. Co., Reading, Mass, 1965).
5. F. Rohrlich:Nuovo Cimento,21, 811 (1961).