@misc{indiciae2ce16e0221fc,
  title = {Portable scintillation counters for geologic use},
  author = {Ernest Elmer Wilson and V.C. Rhoden and W.W. Vaughn and Henry Faul},
  year = {1954},
  doi = {10.3133/cir353},
  url = {https://pubs.usgs.gov/publication/cir353},
  note = {Source identifier: cir353}
}