@misc{indiciaed9037ff3d89c,
  title = {Initial geomagnetic field model from MAGSAT},
  author = {Langel, R. A. and Estes, R. H. and Mead, G. D. and Fabiano, E. B. and Lancaster, E. R.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19800017470},
  note = {Source identifier: 19800017470}
}