References
- Levich , B. G. 1970 . Theoretical Physics: Theory of the Electromagnetic field, Theory of Relativity , Vol. 1 , Amsterdam : North-Holland .
- Goldstein , H. 1980 . Classical Mechanics , Reading : Addison-Wesley Publishing Company .
- Konopinski , E. J. 1981 . Electromagnetic fields and Relativistic Particles , New York : McGraw-Hill Book Company .