Raichenko, L. V. “The Impact of Solar Corpuscular Radiation on the Earth’s Atmosphere: The Current State of the Problem”. Geofizicheskiy Zhurnal 32, no. 5 (October 1, 2010): 82–101. Accessed August 14, 2022. http://journals.uran.ua/geofizicheskiy/article/view/117510.