@misc{indiciaeadcdd0d237ea,
  title = {Surface radioactivity resulting from the deposition of 222Rn daughter products},
  author = {R.S. Lively and E.P. Ney},
  year = {1987},
  url = {https://pubs.usgs.gov/publication/70015270},
  note = {Source identifier: 70015270}
}