@misc{indiciaef64e5d059900,
  title = {An equivalent layer magnetization model for the United States derived from MAGSAT data},
  author = {Mayhew, M. A. and Galliher, S. C.},
  year = {1982},
  url = {https://ntrs.nasa.gov/citations/19820016697},
  note = {Source identifier: 19820016697}
}