@misc{indiciaee41d003dc300,
  title = {Variability of geochemical properties in a microbially dominated coalbed gas system from the eastern margin of the Illinois Basin, USA},
  author = {D. Strapoc and Maria Mastalerz and A. Schimmelmann and A. Drobniak and S. Hedges},
  year = {2008},
  doi = {10.1016/j.coal.2008.02.002},
  url = {https://pubs.usgs.gov/publication/70000025},
  note = {Source identifier: 70000025}
}