@misc{indiciaef968e7b67aa4,
  title = {Washability of air toxics in marketed Illinois coals},
  author = {I. Demir and R.R. Ruch and R.A. Cahill and J.M. Lytle and K.K. Ho},
  year = {1996},
  url = {https://pubs.usgs.gov/publication/70018682},
  note = {Source identifier: 70018682}
}