@misc{indiciae45153d2e752b,
  title = {Geologic and climatic controls on the radon emanation coefficient},
  author = {R.R. Schumann and L.C.S. Gundersen},
  year = {1997},
  doi = {10.1016/s0160-4120(96)00144-4},
  url = {https://pubs.usgs.gov/publication/70020044},
  note = {Source identifier: 70020044}
}