@misc{indiciaef47d9b787d59,
  title = {Restraints on dissolved ferrous iron imposed by bicarbonate redox potential, and pH},
  author = {John David Hem},
  year = {1960},
  doi = {10.3133/wsp1459b},
  url = {https://pubs.usgs.gov/publication/wsp1459B},
  note = {Source identifier: wsp1459B}
}