TY - JOUR A1 - Barta, V. A1 - Sátori, G. A1 - Berényi, K. A. A1 - Kis, Á. A1 - Williams, E. T1 - Effects of solar flares on the ionosphere as shown by the dynamics of ionograms recorded in Europe and South Africa JO - Ann. Geophys. J1 - ANGEO VL - 37 IS - 4 SP - 747 EP - 761 Y1 - 2019/08/23 PB - Copernicus Publications SN - 1432-0576 UR - https://angeo.copernicus.org/articles/37/747/2019/ L1 - https://angeo.copernicus.org/articles/37/747/2019/angeo-37-747-2019.pdf DO - 10.5194/angeo-37-747-2019 ER -