@misc{indiciae3fc677f9021b,
  title = {Sulphur in char and char desulphurization by acid leaching and hydropyrolysis},
  author = {I.-M. Chou and D.M. Loffredo},
  year = {1985},
  doi = {10.1016/0016-2361(85)90001-8},
  url = {https://pubs.usgs.gov/publication/70012830},
  note = {Source identifier: 70012830}
}