@misc{indiciae84e3222b7f9e,
  title = {Geomagnetic referencing--the real-time compass for directional drillers},
  author = {Andrew Buchanan and Carol Finn and Jeffrey J. Love and E. William Worthington and Fraser Lawson and Stefan Maus and Shola Okewunmi and Benny Poedjono},
  year = {2013},
  url = {https://pubs.usgs.gov/publication/70048749},
  note = {Source identifier: 70048749}
}