@misc{indiciae9006a4a0c2ca,
  title = {The influence of extractable organic matter on vitrinite reflectance suppression: A survey of kerogen and coal types},
  author = {C.E. Barker and M. D. Lewan and M. J. Pawlewicz},
  year = {2007},
  doi = {10.1016/j.coal.2006.03.005},
  url = {https://pubs.usgs.gov/publication/70029736},
  note = {Source identifier: 70029736}
}