@misc{indiciae6b93a4ff4b85,
  title = {Radon migration in the ground: a supplementary review},
  author = {Allan B. Tanner},
  year = {1978},
  doi = {10.3133/ofr781050},
  url = {https://pubs.usgs.gov/publication/ofr781050},
  note = {Source identifier: ofr781050}
}