@misc{indiciaeefc0e0e422fc,
  title = {Wide range linear fluxgate magnetometer Patent},
  author = {Boroson, H. R. and Heppner, J. P.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19710006487},
  note = {Source identifier: 19710006487}
}