1. H. Alfvén and C.-G. Falthammer, Cosmical Electrodynamics (Oxford University Press, London, 1963).
2. G. I. Budker, in Plasma Physics and the Problem of Controlled Thermonuclear Reactions, Ed. by M. A. Leontovich (Pergamon, New York, 1959), Vol. 1.
3. F. H. Coensgen, W. F. Cummins, and A. E. Sherman, Phys. Fluids 2, 350 (1959).
4. J. M. Berger, W. A. Newcomb, J. M. Dawson, et al., Phys. Fluids 1, 301 (1958).
5. M. Laroussi and J. R. Roth, Phys. Fluids 1, 1034 (1989).