@misc{indiciaeb354d929709e,
  title = {Casing detector and self-potential logger},
  author = {Michael H. Frimpter},
  year = {2006},
  doi = {10.1111/j.1745-6584.1969.tb01668.x},
  url = {https://pubs.usgs.gov/publication/70224596},
  note = {Source identifier: 70224596}
}