multispacecraft observation

Takahashi, K., Denton, R., Kurth, W., Kletzing, C., Wygant, J., Bonnell, J., et al. (2014). Externally driven plasmaspheric ULF waves observed by the Van Allen Probes. Journal Of Geophysical Research: Space Physics. http://doi.org/10.1002/2014JA020373 (Original work published December 2014)
Takahashi, K., Denton, R., Kurth, W., Kletzing, C., Wygant, J., Bonnell, J., et al. (2017). Externally driven plasmaspheric ULF waves observed by the Van Allen Probes. Journal Of Geophysical Research: Space Physics, 122. http://doi.org/10.1002/2014JA020373 (Original work published January 2017)