@misc{indiciae64f488ede338,
  title = {Preliminary report on gamma-ray distribution in cylindrical cavities (drill holes)},
  author = {Henry Faul and A.Y. Sakakura},
  year = {1951},
  doi = {10.3133/tem135},
  url = {https://pubs.usgs.gov/publication/tem135},
  note = {Source identifier: tem135}
}