@misc{indiciaeebe50dd30a72,
  title = {Microfossil correlation of California lower Tertiary sections; a comparison},
  author = {Richard Z. Poore},
  year = {1976},
  doi = {10.3133/pp743f},
  url = {https://pubs.usgs.gov/publication/pp743F},
  note = {Source identifier: pp743F}
}