1. Bhatia, P. K.: 1971,Publ. Astron. Soc. Japan 23, 181.
2. Chandrasekhar, S.: 1981,Hydrodynamic and Hydromagnetic Stability, Dover Publ., New York.
3. Defouw, R. J.: 1970,Astrophys. J. 160, 659.
4. Hans, H. K.: 1968,Nucl. Fusion 8, 89.
5. Kent, A.: 1966,Phys. Fluids 9, 1286.