@misc{indiciae7560cb7ed7ce,
  title = {A numerical model for low-latitude ionospheric TEC},
  author = {Sethia, G. and Chandra, H. and Deshpande, M. R. and Rastogi, R. G.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790040655},
  note = {Source identifier: 19790040655}
}