@misc{indiciae403b74ce2f2f,
  title = {Handling, storage, and retrieval of petroleum data in CCOP countries (revised)},
  author = {Allen L. Clark and Jennifer L. Cook and Richard Sinding-Larsen},
  year = {1981},
  doi = {10.3133/ofr81662},
  url = {https://pubs.usgs.gov/publication/ofr81662},
  note = {Source identifier: ofr81662}
}