@misc{indiciae5e32cb627145,
  title = {Labeling lake water with tritium},
  author = {B. J. Frederick},
  year = {1963},
  doi = {10.1016/0020-708x(63)90021-8},
  url = {https://pubs.usgs.gov/publication/70009993},
  note = {Source identifier: 70009993}
}