Publication: Circumpolar ground-based optical measurements of proton and electron shock aurora

Holmes, J. M., Johnsen, M. G., Deehr, C. S., Zhou, X. Y. and Lorentzen, D. A. (2014), Circumpolar ground-based optical measurements of proton and electron shock aurora, J. Geophys. Res., 119, doi.org/10.1002/2013JA019574 (pdf)