@misc{indiciae239ae63e8785,
  title = {Modeling radium and radon transport through soil and vegetation},
  author = {J.A. Kozak and H. W. Reeves and B.A. Lewis},
  year = {2003},
  doi = {10.1016/s0169-7722(03)00032-9},
  url = {https://pubs.usgs.gov/publication/70024926},
  note = {Source identifier: 70024926}
}