@misc{indiciae369f4cd22310,
  title = {A preliminary harmonic spline model from Magsat data},
  author = {Shure, L. and Parker, R. L. and Langel, R. A.},
  year = {1985},
  url = {https://ntrs.nasa.gov/citations/19860029411},
  note = {Source identifier: 19860029411}
}