@misc{indiciae640a4829f3ae,
  title = {Experiments in seismometer azimuth determination by comparing the sensor signal outputs with the signal output of an oriented sensor},
  author = {Gary L. Holcomb},
  year = {2002},
  doi = {10.3133/ofr02183},
  url = {https://pubs.usgs.gov/publication/ofr02183},
  note = {Source identifier: ofr02183}
}