@misc{indiciae427e215e9970,
  title = {Hydrocarbon gas seeps of the convergent Hikurangi margin, North Island, New Zealand},
  author = {K.A. Kvenvolden and J.R. Pettinga},
  year = {1989},
  doi = {10.1016/0264-8172(89)90071-8},
  url = {https://pubs.usgs.gov/publication/70015434},
  note = {Source identifier: 70015434}
}