@misc{indiciaef1236fe9a855,
  title = {An analytic probabilistic methodology for resource appraisal of undiscovered oil and gas resources in play analysis},
  author = {R. A. Crovelli},
  year = {1985},
  doi = {10.3133/ofr85657},
  url = {https://pubs.usgs.gov/publication/ofr85657},
  note = {Source identifier: ofr85657}
}