00806naa#a2200253#i#450# EN\\bibl\46586 20240503140023.5 1681-1208 20190825b2019####ek#y0engy0150####ca ENG RU A combined analysis of geomagnetic data and cosmic ray secondaries for the September 2017 space weather event studies Journal article Moscow Geophysical Center of the Russian Academy of Sciences 2019 0 с. Journal article local Sidorov Roman Soloviev Anatoly Aleksandrovich Gvishiani Alexei Getmanov Viktor Mandea Mioara Petrukhin Anatoly Yashin Igor Obraztsov Alexander rjes.ru