@misc{indiciae685caf2c90f5,
  title = {Evolution of the ring current during two geomagnetic storms},
  author = {Lui, A. T. Y. and Mcentire, R. W. and Krimigis, S. M.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870060949},
  note = {Source identifier: 19870060949}
}