@misc{indiciae18224b8842a0, title = {Ionospheric storm effects at subauroral latitudes - A case study}, author = {Proelss, G. W. and Brace, L. H. and Mayr, H. G. and Carignan, G. R. and Killeen, T. L.}, year = {1991}, url = {https://ntrs.nasa.gov/citations/19910040920}, note = {Source identifier: 19910040920} }