@misc{indiciae9b4741b12f35,
  title = {Methane and other hydrocarbon gases in marine sediment},
  author = {George E. Claypool and Keith A. Kvenvolden},
  year = {1983},
  doi = {10.1146/annurev.ea.11.050183.001503},
  url = {https://pubs.usgs.gov/publication/70208368},
  note = {Source identifier: 70208368}
}