@misc{indiciaec69799d7b4dc,
  title = {Quality Guidelines for Energy System Studies: Detailed Coal Specifications},
  author = {Summers, Wm. Morgan},
  year = {2019},
  doi = {10.2172/1567737},
  url = {https://www.osti.gov/biblio/1567737},
  note = {Source identifier: 1567737}
}