1. Jackson, J.D.: Classical electrodynamics. Chap. 14. New York: Wiley & Sons 1962
2. Kunz, C. (ed.): Synchrotron radiation, techniques and application. Berlin-Heidelberg-New York: Springer Verlag 1979
3. Winick, H., Doniach, S. (eds.): Synchrotron radiation research. New York: Plenum Press 1980
4. Eastman, D.E., Farge, Y.: Gen. Ed. Handbook on Synchrotron Radiation, Koch, E.E. (ed.), Vol. 1. Amsterdam: North Holland Publ. Comp. 1983
5. For a survey see Winick, H., Watson, R.E.: Nucl. Instrum. Methods222, 373 (1984)