@misc{indiciaeca20ae5a5480,
  title = {Invisible CO2 gas killing trees at Mammoth Mountain, California},
  author = {Michael L. Sorey and Christopher D. Farrar and William C. Evans and David P. Hill and Roy A. Bailey and James W. Hendley and Peter H. Stauffer},
  year = {1996},
  doi = {10.3133/fs17296\_1996},
  url = {https://pubs.usgs.gov/publication/fs17296\_1996},
  note = {Source identifier: fs17296\_1996}
}