H. Fast. Study of the electron density in the high latitude ionosphere with incoherent scatter radars and Swarm satellites. August, University of Saskatchewan 2023 . H. Fast, A. Koustov, and R. Gillies. Validation of Swarm Langmuir Probes by Incoherent Scatter Radars at High Latitudes. Remote Sensing, volume 15, issue 7, 2023 .