@misc{indiciae8fc02324a5c5,
  title = {MARSIS ionospheric calibration},
  author = {Safaeinili, A. and Kofman, W. and Jordan, R. L.},
  year = {2002},
  url = {https://ntrs.nasa.gov/citations/20060030841},
  note = {Source identifier: 20060030841}
}