@misc{indiciae465ce0e580a4,
  title = {Circular current loops, magnetic dipoles and spherical harmonic analysis.},
  author = {L.R. Alldredge},
  year = {1980},
  doi = {10.5636/jgg.32.357},
  url = {https://pubs.usgs.gov/publication/70012174},
  note = {Source identifier: 70012174}
}