@misc{indiciaef623fbd3fb9b,
  title = {Natural carbon-14 activity of organic substances in streams},
  author = {A.A. Rosen and M. Rubin},
  year = {1964},
  doi = {10.1126/science.143.3611.1163},
  url = {https://pubs.usgs.gov/publication/70010766},
  note = {Source identifier: 70010766}
}