@misc{indiciaeedac875611d2,
  title = {Geology of the fushun coalfield, Liaoning Province, People's Republic of China},
  author = {E. A. Johnson},
  year = {1990},
  doi = {10.1016/0166-5162(90)90004-i},
  url = {https://pubs.usgs.gov/publication/70016302},
  note = {Source identifier: 70016302}
}