@misc{indiciaeb73c21bbf181,
  title = {Observations of gas hydrates in marine sediments, offshore northern California},
  author = {J.M. Brooks and M.E. Field and M.C. Kennicutt},
  year = {1991},
  doi = {10.1016/0025-3227(91)90204-h},
  url = {https://pubs.usgs.gov/publication/70015162},
  note = {Source identifier: 70015162}
}