@misc{W3080398110,
  author = {John I. Hedges},
  title = {Advances in organic geochemistry 1981},
  year = {1984},
  howpublished = {Geochimica et Cosmochimica Acta},
  doi = {https://doi.org/10.1016/0016-7037(84)90367-3}
}