1. Akmamedova A.Sh., Goshdzhanov M. and Kim I.S.: 1990, to be published.
2. An C.H., Suess S.T. and Tandberg-Hanssen E.:1985, Solar Phys. 102, 766.
3. An C.H., Wu S.T., Bao J.J. and Suess S.T.: 1988, Space Science Lab. Preprint Series No. 88–107.
4. Anzer U.: 1969, Solar Phys. 8, 37.
5. Anzer U.: 1979, in E.Jensen, P.Maltby and G.Q.Orral(eds.),Physics of Solar Prominences, Blindern, Oslo, p.322.