@misc{indiciaeab1af9cad855,
  title = {Molecular and isotopic gas composition of the Devonian Berea Sandstone and implications for gas evolution, eastern Kentucky},
  author = {T. M. Parris and Paul C. Hackley and S. F. Greb and C. F. Eble},
  year = {2021},
  doi = {10.1306/10142019103},
  url = {https://pubs.usgs.gov/publication/70219061},
  note = {Source identifier: 70219061}
}