@misc{indiciaec88e05f24b50,
  title = {Production of activated char from Illinois coal for flue gas cleanup},
  author = {A.A. Lizzio and J.A. DeBarr and C.W. Kruse},
  year = {1997},
  doi = {10.1021/ef960196h},
  url = {https://pubs.usgs.gov/publication/70019991},
  note = {Source identifier: 70019991}
}