@misc{indiciae183fa97024ac,
  title = {Determination of the true density of pulverized coal samples},
  author = {R.W. Stanton},
  year = {1982},
  doi = {10.3133/ofr82835},
  url = {https://pubs.usgs.gov/publication/ofr82835},
  note = {Source identifier: ofr82835}
}