@misc{indiciae28b815c1771e,
  title = {Ionospheric specification algorithms for precise GPS-based aircraft navigation},
  author = {Wilson, B. and Pi, X. and Muna, D. and Lindqwister, U. and Iijima, B. and Mannucci, A. and Harris, I.},
  year = {2000},
  url = {https://ntrs.nasa.gov/citations/20210001392},
  note = {Source identifier: 20210001392}
}