@misc{indiciae5ed26b783d2b,
  title = {Determination of ferrous oxide in magnetite},
  author = {R. B. Gage},
  year = {2002},
  doi = {10.1021/ja01933a009},
  url = {https://pubs.usgs.gov/publication/70011118},
  note = {Source identifier: 70011118}
}