@misc{indiciae32d7e717adde,
  title = {A method for determining soil gas 220Rn (thoron) concentrations.},
  author = {A R Hutter},
  year = {1995},
  doi = {10.1097/00004032-199506000-00012},
  url = {https://pubmed.ncbi.nlm.nih.gov/7759264/},
  note = {Source identifier: 7759264}
}