Supersubstorms during strong magnetic storm on 7 September 2017Irina Despirak, Natalia Kleimenova, Liudmila Gromova, Sergey Gromov and Liudmila MalyshevaE3S Web Conf., 127 (2019) 01010DOI: https://doi.org/10.1051/e3sconf/201912701010
