@misc{indiciaedfad8839a763,
  title = {Long-term radon concentrations estimated from 210Po embedded in glass},
  author = {R.S. Lively and D.J. Steck},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/70017791},
  note = {Source identifier: 70017791}
}