@misc{indiciaeb35dc89c2d0f,
  title = {Preparation of water samples for carbon-14 dating},
  author = {H.R. Feltz and Bruce B. Hanshaw},
  year = {1963},
  doi = {10.3133/cir480},
  url = {https://pubs.usgs.gov/publication/cir480},
  note = {Source identifier: cir480}
}