@misc{indiciae02d5c2d7b5a1,
  title = {Marine Jurassic gastropods, central and southern Utah},
  author = {N. F. Sohl},
  year = {1965},
  doi = {10.3133/pp503d},
  url = {https://pubs.usgs.gov/publication/pp503D},
  note = {Source identifier: pp503D}
}