@misc{indiciae97b6d8606bc2,
  title = {Revision of some Paleozoic coral species from the Western United States},
  author = {W.J. Sando},
  year = {1965},
  doi = {10.3133/pp503e},
  url = {https://pubs.usgs.gov/publication/pp503E},
  note = {Source identifier: pp503E}
}