@misc{indiciae83d9ee94f199,
  title = {Bone nitrogen isotope composition and climate.},
  author = {S H Ambrose and M J DeNiro},
  doi = {10.1038/325201a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/3808017/},
  note = {Source identifier: 3808017}
}