E. Aa, S.-R. Zhang, P. J. Erickson, A. J. Coster, L. P. Goncharenko, R. H. Varney, and R. Eastes. Salient Midlatitude Ionosphere-Thermosphere Disturbances Associated With SAPS During a Minor but Geo-Effective Storm at Deep Solar Minimum. Journal of Geophysical Research: Space Physics, volume 126, issue 7, June 2021 . Y. Nishimura, L. R. Lyons, C. Gabrielse, N. Sivadas, E. F. Donovan, R. H. Varney, V. Angelopoulos, J. M. Weygand, M. G. Conde, and S. R. Zhang. Extreme Magnetosphere-Ionosphere-Thermosphere Responses to the 5 April 2010 Supersubstorm. Journal of Geophysical Research: Space Physics, volume 125, issue 4, 2020 . S.-R. Zhang, J. M. Holt, P. J. Erickson, L. P. Goncharenko, M. J. Nicolls, M. McCready, and J. Kelly. Ionospheric ion temperature climate and upper atmospheric long-term cooling. J. Geophys. Res. Space Physics, American Geophysical Union, issue 121, 2016 . S.-R. Zhang, J. M. Holt, A. P. van Eyken, C. Heinselman, and M. McCready. IPY observations of ionospheric yearly variations from high- to middle-latitude incoherent scatter radars. J. Geophys. Res., volume 115, 2010 .