@misc{indiciaeea1462b8afef,
  title = {Sensitivity of selected geomagnetic properties to truncation level of spherical harmonic expansions},
  author = {E.R. Benton and Ronald H. Estes and R.A. Langel and L.A. Muth},
  year = {2012},
  doi = {10.1029/gl009i004p00254},
  url = {https://pubs.usgs.gov/publication/70188735},
  note = {Source identifier: 70188735}
}