D’Angelo, G., Piersanti, M., Alfonsi, L., Spogli, L., Coco, I., Li, G. and Baiqi, N. 2019. The response of high latitude ionosphere to the 2015 June 22 storm. Annals of Geophysics. 62, 4 (Dec. 2019), GM454. DOI:https://doi.org/10.4401/ag-7780.