@misc{indiciaefdedf5704ab8,
  title = {Seasonal variability of soil-gas radon concentration in central California},
  author = {C.-Y. King and A. Minissale},
  year = {1994},
  doi = {10.1016/1350-4487(94)90004-3},
  url = {https://pubs.usgs.gov/publication/70017596},
  note = {Source identifier: 70017596}
}