@misc{indiciae5de90a759f67,
  title = {A photometric method for the estimation of the oil yield of oil shale},
  author = {Frank Cuttitta},
  year = {1951},
  doi = {10.3133/ofr5158},
  url = {https://pubs.usgs.gov/publication/ofr5158},
  note = {Source identifier: ofr5158}
}