@misc{indiciae212b6439ac54,
  title = {Unmineralized fossil bacteria: A retraction},
  author = {W. H. Bradley},
  year = {1968},
  doi = {10.1126/science.160.3826.437.b},
  url = {https://pubs.usgs.gov/publication/70010830},
  note = {Source identifier: 70010830}
}