@misc{indiciae9041b0c7c7ed,
  title = {An Approach to the Classification of Potential Reserve Additions of Giant Oil Fields of the World},
  author = {T. R. Klett and Marilyn E. Tennyson},
  year = {2008},
  doi = {10.3133/ofr20071438},
  url = {https://pubs.usgs.gov/publication/ofr20071438},
  note = {Source identifier: ofr20071438}
}