1. L. D. Landau and E. M. Lifshits (Lifshitz), Electrodynamics of Continuous Media, Addison-Wesley, Heading, Mass. (1962).
2. S. I. Syrovatskii, Usp. Fiz. Nauk, 62: 247 (1957).
3. T. Cowling, Magnetohydrodynamics, Interscience, New York (1957).
4. J. A. Shercliff, A. Textbook of Magnetohydrodynamics, Pergamon, New York (1965).
5. J. J. Monoghan, Monthly Not. Hoy. Astron. Soc., 132:1 (1966); 134: 275 (1966).