Validation of Earth atmosphere models using solar EUV observations from the CORONAS and PROBA2 satellites in occultation modeVladimir Slemzin, Artyom Ulyanov, Konstantin Gaikovich, Sergey Kuzin, Andrey Pertsov, David Berghmans and Marie DominiqueJ. Space Weather Space Clim., 6 (2016) A7DOI: https://doi.org/10.1051/swsc/2015045