1. Allen, J.: Space Weather 8, S06008, doi:10.1029/2010SW000588 (2010).
2. Anderson, B.J., Acuña, M., Korth, H., Slavin, J.A., Uno, H., Johnston, C.L., Purucker, M.E., Soloman, S.C., Raines, J.M., Zurbuchen, T.H., Gloeckler, G., McNutt, R.L., Jr.: Space Sci. Rev. 152, 307–339 (2010).
3. Baker, D.N., Balstad, R., Bodeau, J.M., Cameron, E., Fennel, J.F., Fisher, G.M., Forbes, K.F., Kintner, P.M., Leffler, L.G., Lewis, W.S., Reagan, J.B., Small, A.A., III, Stansell, T.A., Strachan, L., Jr., Comm. Soc. Econ. Impacts of Severe Space Weather Events, NRC Workshop Report (2009).
4. Baker, D.N., Kanekal, S., Blake, J.B., Klecker, B., Rostoker, G.: EOS Trans. AGU 75, 401 (1994).
5. Bauer, S.J., Brace, L.H., Hunten, D.M., Intriligator, D.S., Knudsen, W.C., Nagy, A.F., Russell, C.T., Scarf, F.L., Wolfe, J.H.: Space Sci. Rev. 20, 413–430 (1977).