@misc{indiciae1a9fd737362a,
  title = {Portable scintillation counters for geologic use},
  author = {Edward Elmer Wilson and V.C. Rhoden and W.W. Vaughn and Henry Faul},
  year = {1953},
  doi = {10.3133/tei403},
  url = {https://pubs.usgs.gov/publication/tei403},
  note = {Source identifier: tei403}
}