@misc{indiciae15c09596965b,
  title = {History of the recognition of organic geochemistry in geoscience},
  author = {K.A. Kvenvolden},
  year = {2002},
  doi = {10.1016/s0146-6380(01)00172-3},
  url = {https://pubs.usgs.gov/publication/70024671},
  note = {Source identifier: 70024671}
}