1. Barker, P.K., Brown, D.N., Bolton, C.T., and Landstreet, J.D.: 1982, ?Magnetospheres and Winds of the Helium-Strong Stars: Dependence on Rotation? in Y. Kondo, J.M. Mead, and R.D. Chapman, ed(s).,Advances in Ultraviolet Astronomy: Four Years of IUE Research, NASA CP-2238, 589
2. Bohlender, D.A., Bolton, C.T., and Hill, G.M.: 1993,Bulletin of the AAS 25, 871
3. Drake, S.A., Linsky, J.L., Schmitt, J.H.M.M., and Rosso, C.: 1994,Astrophysical Journal 420, 387
4. Groote, D. and Hunger K.: 1982,Astronomy and Astrophysics 116, 64
5. Linsky, J.L., Drake, S.A. and Bastian, T.S.: 1992,Astrophysical Journal 393, 341