@misc{indiciaebfa118d964e4,
  title = {Minor element distribution in iron disulfides in coal: a geochemical review},
  author = {Allan Kolker},
  year = {2012},
  doi = {10.1016/j.coal.2011.10.011},
  url = {https://pubs.usgs.gov/publication/70004914},
  note = {Source identifier: 70004914}
}