@misc{indiciae97b5c01ea2ef,
  title = {Methodologies for extraction of dissolved inorganic carbon for stable carbon isotope studies: Evaluation and alternatives},
  author = {Afifa Afifi Hassan},
  year = {1982},
  doi = {10.3133/wri826},
  url = {https://pubs.usgs.gov/publication/wri826},
  note = {Source identifier: wri826}
}