@misc{indiciae178fc6958a8e,
  title = {Mercury and halogens in coal},
  author = {Allan Kolker and Jeffrey C. Quick},
  year = {2014},
  doi = {10.1002/9783527658787.ch2},
  url = {https://pubs.usgs.gov/publication/70169995},
  note = {Source identifier: 70169995}
}