@misc{indiciae47dab9f4aa56,
  title = {Silurian corals from Maine and Quebec},
  author = {Erwin Charles Stumm and William Albert Oliver},
  year = {1962},
  doi = {10.3133/pp430},
  url = {https://pubs.usgs.gov/publication/pp430},
  note = {Source identifier: pp430}
}