@misc{indiciaec5325d99c54f,
  title = {Thoron-meso-tartaric acid system for determination of thorium},
  author = {Mary H. Fletcher and F. S. Grimaldi and Lillie B. Jenkins},
  year = {2002},
  doi = {10.1021/ac60126a030},
  url = {https://pubs.usgs.gov/publication/70010967},
  note = {Source identifier: 70010967}
}