@misc{indiciae06c5ad457fab,
  title = {Relative importance of physical and economic factors in Appalachian coalbed gas assessment},
  author = {E. D. Attanasi},
  year = {1998},
  doi = {10.1016/s0166-5162(98)00032-9},
  url = {https://pubs.usgs.gov/publication/70020510},
  note = {Source identifier: 70020510}
}