@misc{indiciae6a2d133ba77c,
  title = {Gas hydrates in oceanic sediment},
  author = {K.A. Kvenvolden and George E. Claypool},
  year = {1988},
  doi = {10.3133/ofr88216},
  url = {https://pubs.usgs.gov/publication/ofr88216},
  note = {Source identifier: ofr88216}
}