TY - CPAPER AU - P. Hejda AU - J. Bochnicek AU - F. Valach AU - M. Revallo TI - ON THE SOLAR ENERGETIC EVENTS, NEURAL NETWORKS AND FORECASTS OF GEOMAGNETIC ACTIVITY T2 - 9th International Multidisciplinary Scientific GeoConference SGEM2009 PY - 2009 SP - 685 EP - 692 PB - SGEM Scientific GeoConference ER -