@misc{indiciaea7fd93dcbc19,
  title = {Carbon monoxide detection of chemisorbed oxygen in coal and other carbonaceous materials},
  author = {C.C. Hinckley and T. Wiltowski and T. Wiltowska and D.W. Ellison and R.H. Shiley and L. Wu},
  year = {1990},
  doi = {10.1016/0016-2361(90)90265-r},
  url = {https://pubs.usgs.gov/publication/70016182},
  note = {Source identifier: 70016182}
}