@misc{indiciae028cb554c9fe,
  title = {Geomagnetic local and regional harmonic analyses},
  author = {L.R. Alldredge},
  year = {2012},
  doi = {10.1029/jb087ib03p01921},
  url = {https://pubs.usgs.gov/publication/70011894},
  note = {Source identifier: 70011894}
}