@misc{indiciaeefe98aa092ec,
  title = {The use of solvent extractions and solubility theory to discern hydrocarbon associations in coal, with application to the coal-supercritical CO 2 system},
  author = {Jonathan J. Kolak and Robert A. Burruss},
  year = {2014},
  doi = {10.1016/j.orggeochem.2014.05.002},
  url = {https://pubs.usgs.gov/publication/70112470},
  note = {Source identifier: 70112470}
}