@misc{indiciae4ef5a3ad1a13,
  title = {Methane and other hydrocarbon gases in sediments of the southern Pacific Ocean},
  author = {K.A. Kvenvolden and Margaret Golan-Bac},
  year = {1987},
  doi = {10.3133/ofr87401},
  url = {https://pubs.usgs.gov/publication/ofr87401},
  note = {Source identifier: ofr87401}
}