@misc{indiciae4103cbd32cb7,
  title = {Comments on minor elements in pyrrhotite [Idaho]},
  author = {V.C. Fryklund and R. S. Harner},
  year = {1955},
  doi = {10.2113/gsecongeo.50.3.339},
  url = {https://pubs.usgs.gov/publication/70216044},
  note = {Source identifier: 70216044}
}