@misc{indiciaeed1d567f501d,
  title = {Proceedings of the XIIIth IAGA Workshop on Geomagnetic Observatory Instruments, Data Acquisition, and Processing},
  author = {Jeffrey J. Love},
  year = {2009},
  doi = {10.3133/ofr20091226},
  url = {https://pubs.usgs.gov/publication/ofr20091226},
  note = {Source identifier: ofr20091226}
}