1. L. D. Landau andE. M. Lifshitz:Electrodynamics of Continuous Media (Pergamon Press, London, 1960).
2. J. A. Stratton:Electromagnetic Theory (McGraw-Hill, New York, N.Y., 1941).
3. W. K. H. Panofsky andM. Phillips:Classical Electricity and Magnetism (Addison-Wesley, Reading, Mass., 1962).
4. C. Truesdell:The Elements of Continuum Mechanics (Springer-Verlag, Berlin, 1966).
5. L. E. Malvern:Introduction to the Mechanics of a Continuous Medium (Prentice-Hall, Englewood Cliffs, N.J., 1969).