@misc{indiciae65567c5cfa02,
  title = {Methane in permafrost - Preliminary results from coring at Fairbanks, Alaska},
  author = {K.A. Kvenvolden and T.D. Lorenson},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/70017738},
  note = {Source identifier: 70017738}
}