@misc{indiciae366b459425c7,
  title = {Reduction of satellite magnetic anomaly data},
  author = {Slud, E. V. and Smith, P. J. and Langel, R. A.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19840056025},
  note = {Source identifier: 19840056025}
}