@misc{indiciaeddab6b4452ee,
  title = {Modes of fossil preservation},
  author = {J. M. Schopf},
  year = {1975},
  doi = {10.1016/0034-6667(75)90005-6},
  url = {https://pubs.usgs.gov/publication/70010183},
  note = {Source identifier: 70010183}
}