@misc{indiciae67b99ab01b37,
  title = {Volcanic gas},
  author = {Kenneth A. McGee and Terrance M. Gerlach},
  year = {1995},
  doi = {10.3133/ofr9585},
  url = {https://pubs.usgs.gov/publication/ofr9585},
  note = {Source identifier: ofr9585}
}