@misc{indiciae8e999abb6bb5,
  title = {International Geomagnetic Reference Field},
  author = {N.W. Peddie},
  year = {1982},
  doi = {10.5636/jgg.34.309},
  url = {https://pubs.usgs.gov/publication/70011454},
  note = {Source identifier: 70011454}
}