@misc{indiciae996caf447442,
  title = {A statistical characterization of plasmasphere density structure and boundary locations},
  author = {Horwitz, J. L. and Comfort, R. H. and Chappell, C. R.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19900049917},
  note = {Source identifier: 19900049917}
}