A long-term statistical work

Chen, H., Gao, X., Lu, Q., & Wang, S. (2019). Analyzing EMIC Waves in the Inner Magnetosphere Using Long-Term Van Allen Probes Observations. Journal Of Geophysical Research: Space Physics, 124, 7402-7412. http://doi.org/10.1029/2019JA026965 (Original work published August 2019)