@misc{indiciaec33c24357c5d,
  title = {Temperature effects on kerogen and on molecular and isotopic composition of organic matter in Pierre Shale near an igneous dike},
  author = {J.L. Clayton and N. H. Bostick},
  year = {1986},
  doi = {10.1016/0146-6380(86)90017-3},
  url = {https://pubs.usgs.gov/publication/70014598},
  note = {Source identifier: 70014598}
}