@misc{indiciaee94572b2b955,
  title = {Oil and gas reserves estimates},
  author = {R. Harrell and R. Gajdica and D. Elliot and Thomas S. Ahlbrandt and S. Khurana},
  year = {2005},
  url = {https://pubs.usgs.gov/publication/70027855},
  note = {Source identifier: 70027855}
}