@misc{indiciae75bef46774cc,
  title = {Monitoring the Earth's dynamic magnetic field},
  author = {Jeffrey J. Love and David Applegate and John B. Townshend},
  year = {2008},
  doi = {10.3133/fs20073092},
  url = {https://pubs.usgs.gov/publication/fs20073092},
  note = {Source identifier: fs20073092}
}