@misc{indiciaeffc54217941e,
  title = {Ionospheric modeling at Air Force Global Weather Central},
  author = {Tascione, T. F. and Flattery, T. W. and Patterson, V. G. and Secan, J. A. and Taylor, J. W., Jr.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19800010217},
  note = {Source identifier: 19800010217}
}