@misc{indiciae0bddf81a5f4d,
  title = {Late Eocene to early Oligocene calcareous nannofossils in Alabama and Mississippi},
  author = {Laurel M. Bybell},
  year = {1982},
  url = {https://pubs.usgs.gov/publication/70221741},
  note = {Source identifier: 70221741}
}