Bremer, J.; Lasˇtovicˇka, J.; Mikhailov, A. V.; Altadill, D.; Bencze, P.; Buresˇová, D.; De Franceschi, G.; Jacobi, C.; Kouris, S.; Perrone, L.; Turunen, E. Climate of the Upper Atmosphere. Ann. Geophys. 2009, 52 (3-4), 273-299. https://doi.org/10.4401/ag-4576.