@misc{indiciae8c9bb6e466b0,
  title = {Superparamagnetic Fe 3 O 4 particles formed by oxidation of pyrite heated in an anoxic atmosphere},
  author = {A. N. Thorpe and F. E. Senftle and R. Talley and S. Hetherington and F. Dulong},
  year = {1990},
  doi = {10.1016/0016-2361(90)90254-n},
  url = {https://pubs.usgs.gov/publication/70016471},
  note = {Source identifier: 70016471}
}