@misc{indiciae468b07e307f9,
  title = {Development and Implementation of an Empirical Ionosphere Variability Model},
  author = {Minow, Joesph I. and Almond, Deborah},
  year = {2002},
  url = {https://ntrs.nasa.gov/citations/20020091880},
  note = {Source identifier: 20020091880}
}