@misc{indiciae1dc12e1cd804,
  title = {The thoron-mesotartaric acid system for the determination of thorium},
  author = {Mary H. Fletcher and F. S. Grimaldi and Lillie B. Jenkins},
  year = {1956},
  doi = {10.3133/tei350},
  url = {https://pubs.usgs.gov/publication/tei350},
  note = {Source identifier: tei350}
}