@misc{indiciae82e7484cd15d,
  title = {Validation of global ionospheric total electron content mapping using a multi-shell approach},
  author = {Komjathy, A. and Runge, T. and Wilson, B. and Mannucci, A. and Reyes, M.},
  year = {2002},
  url = {https://ntrs.nasa.gov/citations/20060032057},
  note = {Source identifier: 20060032057}
}