@misc{indiciaeab5a599f458c,
  title = {A GC-system for the analysis of residual geothermal gases},
  author = {D.S. Sheppard and A.H. Truesdell},
  year = {1985},
  doi = {10.1007/bf02262691},
  url = {https://pubs.usgs.gov/publication/70012910},
  note = {Source identifier: 70012910}
}