@misc{indiciae381c928092bc,
  title = {Tritium deposition in precipitation in the United States, 1953–2012},
  author = {Robert L. Michel and Bryant C. Jurgens and Megan B. Young},
  year = {2018},
  doi = {10.3133/sir20185086},
  url = {https://pubs.usgs.gov/publication/sir20185086},
  note = {Source identifier: sir20185086}
}