1. Anderson, R.R., Parks, G.K., Eastman, T.E., Gurnett, D.A. and Frank, L.A.: 1981, J. Geophys. Res.
86, 4493.
2. Baker, D.N., Borovsky, J.E., Benford, G. and Eilek, J.A.: 1988, ApJ, 326, 110.
3. Bardwell, S. and M. V. Goldman: 1976, ApJ
209, 912.
4. Barrow, C.H., Zarka, P. and Aubier, M.G.: 1994, A&,IA
286, 597.
5. Benson, R.F., Desch, M.D., Hunsucker, R.D., and Romick, G.J.: 1988, J. Geophys. Res.
93, 277.