1. E.N. Parker: Astrophys. J. 163, 255 (1971)
2. S.I. Vainshtein, A.A. Ruzmaikin: Astron. J. (USSR), 48, 902 (1971)
3. Ya.B. Zeldovich, A.A. Ruzmaikin, D.D. Sokoloff: Magnetic Fields in Astrophysics Gordon-Breach, New York, London, Paris 1983 )
4. Y.Sofue, M.Fujimoto, R.Wielebinski: Ann. Rev. Astron. Astrophys. Vol. 24 (1986), p. 459
5. A.A. Ruzmaikin, A.M. Shukurov: Astron, J.(USSR), 58, 969 (1981)