@misc{indiciae4afe495a8f3e,
  title = {The burning of coal without smoke in boiler plants-A preliminary report},
  author = {Dwight T. Randall},
  year = {1908},
  doi = {10.3133/b334},
  url = {https://pubs.usgs.gov/publication/b334},
  note = {Source identifier: b334}
}