@misc{indiciae72f706a18833,
  title = {Radiocarbon concentration in modern wood},
  author = {H. E. Suess},
  year = {1955},
  doi = {10.1126/science.122.3166.415.b},
  url = {https://pubs.usgs.gov/publication/70010669},
  note = {Source identifier: 70010669}
}