@misc{indiciae3f315dd3a1a7,
  title = {Characterizing thermogenic coalbed gas from Polish coals of different ranks by hydrous pyrolysis},
  author = {M.J. Kotarba and M. D. Lewan},
  year = {2004},
  doi = {10.1016/j.orggeochem.2003.12.001},
  url = {https://pubs.usgs.gov/publication/70027194},
  note = {Source identifier: 70027194}
}