Multi-station investigation of spread F over Europe during low to high solar activityKrishnendu Sekhar Paul, Haris Haralambous, Christina Oikonomou, Ashik Paul, Anna Belehaki, Tsagouri Ioanna, Daniel Kouba and Dalia BuresovaJ. Space Weather Space Clim., 8 (2018) A27DOI: https://doi.org/10.1051/swsc/2018006
