@article{Žigman:6408, author = "Žigman, Vida and Dominique, Marie and Grubor, Davorka and Rodger, Craig J. and Clilverd, Mark A. ", title = "{Lower-ionosphere Electron Density from Multi-instrument Satellite Observations and Ground VLF Measurements during Solar Flares}", month = "Oct", year = "2022", }