@misc{indiciae4c8ac6f27b84,
  title = {Ionospheric refraction effects on TOPEX orbit determination accuracy using the Tracking and Data Relay Satellite System (TDRSS)},
  author = {Radomski, M. S. and Doll, C. E.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920004864},
  note = {Source identifier: 19920004864}
}