Publication of Geophysical Center RAS RUSSIAN JOURNAL OF EARTH SCIENCES, VOL. 19, ES4001, doi:10.2205/2019ES000671, 2019 A combined analysis of geomagnetic data and cosmic ray secondaries for the September 2017 space weather event studiesRoman Sidorov, Anatoly Soloviev, Alexei Gvishiani, Viktor Getmanov, Mioara Mandea, Anatoly Petrukhin, Igor Yashin, Alexander Obraztsov |