Hudecheck, MichaelMichaelHudecheckSirén, CharlottaCharlottaSirénGrichnik, DietmarDietmarGrichnikWincent, JoakimJoakimWincent2023-04-132023-04-132020-04-17https://www.alexandria.unisg.ch/handle/20.500.14171/112218enMonitoring the COVID-19 Crisis From Spacejournal article