@misc{indiciae8521c6eb6eeb,
  title = {Potential effects of gas hydrate on human welfare},
  author = {K.A. Kvenvolden},
  year = {1999},
  doi = {10.1073/pnas.96.7.3420},
  url = {https://pubs.usgs.gov/publication/70021747},
  note = {Source identifier: 70021747}
}