CAUSES AND LESSONS OF THE 20 NOVEMBER 2003 GEOMAGNETIC SUPERSTORM V.Grechnev, A.Uralov, G.Rudenko, I.Myshyakov, V.Fainshtein, Ya.Egorov, A.Afanasyev (Institute.
CAUSES AND LESSONS OF THE 20 NOVEMBER 2003 GEOMAGNETIC SUPERSTORM
