@misc{indiciae92f1bff0a343,
  title = {Normalization of oxygen and hydrogen isotope data},
  author = {T.B. Coplen},
  year = {1988},
  doi = {10.1016/0168-9622(88)90042-5},
  url = {https://pubs.usgs.gov/publication/70013811},
  note = {Source identifier: 70013811}
}