@misc{indiciaec1db4a6e461a,
  title = {Natural gas hydrate occurrence and issues},
  author = {K.A. Kvenvolden},
  year = {2006},
  doi = {10.1111/j.1749-6632.1994.tb38838.x},
  url = {https://pubs.usgs.gov/publication/70017031},
  note = {Source identifier: 70017031}
}