@misc{indiciaebbf59fd5eca5,
  title = {Methanogenic pathways of coal-bed gas in the Powder River Basin, United States: The geologic factor},
  author = {R. M. Flores and C. A. Rice and G. D. Stricker and A. Warden and M.S. Ellis},
  year = {2008},
  doi = {10.1016/j.coal.2008.02.005},
  url = {https://pubs.usgs.gov/publication/70000032},
  note = {Source identifier: 70000032}
}