@misc{indiciae8f5af73caf94,
  title = {RADIOACTIVE STRONTIUM FALLOUT.},
  author = {W F Libby},
  year = {1956},
  doi = {10.1073/pnas.42.6.365},
  url = {https://pubmed.ncbi.nlm.nih.gov/16578466/},
  note = {Source identifier: 16578466}
}