1. Feynman, R.P., Leighton, R.B. and Sands, M. (1963) The Feynman Lectures in Physics. Vol. II, Addison-Wesley Publishing Co. Reading, Mass..
2. Jackson, J.D. (1998) Classical Electrodynamics. Wiley & Sons, New York.
3. Popp, F.A. (1994) Electromagnetism and Living Systems. Chapter 2 of Bioelectrodynamics and Communication’, eds. Ho, M-W, Popp, F.A. and Warnke, U., World Scientific, Singapore
4. Smith, C.W. and Best, S. (1989) Electromagnetic Man. J.M. Dent & Sons Ltd., London.
5. Popp, F.A. et. al (1989) Electromagnetic Bio information 2nd Edition, Urban & Schwarzenberg, Munich.