@misc{indiciaed1ddb2eb126d,
  title = {Middle and Upper Ordovician nautiloid cephalopods of the Cincinnati Arch region of Kentucky, Indiana, and Ohio},
  author = {R.C. Frey},
  year = {1995},
  doi = {10.3133/pp1066p},
  url = {https://pubs.usgs.gov/publication/pp1066P},
  note = {Source identifier: pp1066P}
}