Reeves, G., Vandegriff, E., Niehof, J., Morley, S., Cunningham, G., Henderson, M., & Larsen, B. (2020). Defining Radiation Belt Enhancement Events Based on Probability Distributions. Space Weather, 18, e2020SW002528. http://doi.org/https://doi.org/10.1029/2020SW002528 (Original work published June 2020)
Smirnov, A., Kronberg, E., Latallerie, F., Daly, P., Aseev, N., Shprits, Y. . Y., et al. (2019). Electron intensity measurements by the Cluster/RAPID/IES instrument in Earth\textquoterights radiation belts and ring current. Space Weather. http://doi.org/10.1029/2018SW001989 (Original work published February 2019)