@misc{indiciaef3ab6578d1a0,
  title = {Hand-held ratioing radiometer data for 66 selected mineral samples},
  author = {Gene Whitney},
  year = {1983},
  doi = {10.3133/ofr83838},
  url = {https://pubs.usgs.gov/publication/ofr83838},
  note = {Source identifier: ofr83838}
}