@misc{indiciaed800bba4d7f7,
  title = {Modelling the high-latitude ionosphere},
  author = {Raitt, W. J. and Schunk, R. W. and Sojka, J. J.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810014981},
  note = {Source identifier: 19810014981}
}