@misc{indiciae8bdd75889ce8,
  title = {Procedures for petroleum resource assessment used by the U.S. Geological Survey; statistical and probabilistic methodology},
  author = {Robert A. Crovelli},
  year = {1983},
  doi = {10.3133/ofr83402},
  url = {https://pubs.usgs.gov/publication/ofr83402},
  note = {Source identifier: ofr83402}
}