@misc{indiciaef15b2651a7b1,
  title = {Comparison of Two IRI Plasmasphere Extensions with GPS-TEC Observations},
  author = {Gulyacva, Tamara and Gallagher, Dennis},
  year = {2005},
  url = {https://ntrs.nasa.gov/citations/20050206355},
  note = {Source identifier: 20050206355}
}