1. Acheson, D. J. and Hide, R.: 1973,Reports Prog. Phys. 36, 159.
2. Alfv�n, H. and Carlqvist, P.: 1978,Astrophys. Space Sci. 55, 487.
3. Bandyopadhaya, R.: 1972,Czech. J. Phys. B22, 1199.
4. Chandrasekhar, S.: 1961,Hydrodynamic and Hydromagnetic Stability, Clarendon Press, Oxford, Chapter 13.
5. Chhajlani, R. K., Vashista, P., and Bhand, S. C.: 1978,Z. Naturforsch 33a, 1465.