@misc{indiciae5554e57aa407,
  title = {The geochemistry of uranium in apatite and phosphorite},
  author = {Zalman Samuel Altschuler and Roy S. Clarke and Edward Joseph Young},
  year = {1957},
  doi = {10.3133/tei701},
  url = {https://pubs.usgs.gov/publication/tei701},
  note = {Source identifier: tei701}
}