@misc{indiciae0eb3c929047b,
  title = {Equation of continuity in geology with applications to the transport of radioactive gas},
  author = {A.Y. Sakakura and Carolyn Lindberg and Henry Faul},
  year = {1959},
  doi = {10.3133/b1052i},
  url = {https://pubs.usgs.gov/publication/b1052I},
  note = {Source identifier: b1052I}
}