1. Chandrasekhar, S.: 1961,Hydrodynamic and Hydromagnetic Stability, Clarendon Press, Oxford.
2. Deiter, N. H.: 1969,Publ. Astron. Soc. Pacific 81 186.
3. Grishchuk, L. P. and Zel'dovich, Ya. B.: 1981,Soviet Astron. 25, 267.
4. Jeans, J. H.: 1902,Phil. Trans. Roy. Soc. 199, 1.
5. Kalra, G. L. and Talwar, S. P.: 1966,Ann. Astrophys. 29, 507.