@misc{indiciae396460d194f6,
  title = {Determination of uranium in natural waters},
  author = {L. L. Thatcher and F. B. Barker},
  year = {2002},
  doi = {10.1021/ac60131a004},
  url = {https://pubs.usgs.gov/publication/70010981},
  note = {Source identifier: 70010981}
}