@misc{indiciae2e0425d6f35d,
  title = {Isotopic fractionation of uranium in sandstone},
  author = {J.N. Rosholt and W. R. Shields and E. L. Garner},
  year = {1963},
  doi = {10.1126/science.139.3551.224},
  url = {https://pubs.usgs.gov/publication/70010842},
  note = {Source identifier: 70010842}
}