@misc{indiciaeccd28cd064d8,
  title = {Mass transfer and carbon isotope evolution in natural water systems},
  author = {T.M.L. Wigley and Niel Plummer and F. J. Pearson},
  year = {1978},
  doi = {10.1016/0016-7037(78)90108-4},
  url = {https://pubs.usgs.gov/publication/70010357},
  note = {Source identifier: 70010357}
}