@misc{indiciaec0f2a3efb564,
  title = {EFFECTS OF METEOROLOGICAL CHANGES ON CONCENTRATIONS OF HELIUM, CARBON DIOXIDE, AND OXYGEN IN SOIL GASES.},
  author = {M. E. Hinkle and J. L. Ryder},
  year = {1988},
  url = {https://pubs.usgs.gov/publication/70014820},
  note = {Source identifier: 70014820}
}