Long-term variations of the upper atmosphere parameters on Rome ionosonde observations and their interpretationLoredana Perrone, Andrey Mikhailov, Claudio Cesaroni, Lucilla Alfonsi, Angelo De Santis, Michael Pezzopane and Carlo ScottoJ. Space Weather Space Clim., 7 (2017) A21DOI: https://doi.org/10.1051/swsc/2017021
