@misc{indiciae6924570e80d6,
  title = {Geothermal gas sampling methods},
  author = {Alfred Hemingway Truesdell and K.L. Pering},
  year = {1974},
  doi = {10.3133/ofr74361},
  url = {https://pubs.usgs.gov/publication/ofr74361},
  note = {Source identifier: ofr74361}
}