@misc{indiciae40103ee76a92,
  title = {Smaller foraminifera from deep wells on Puerto Rico and St. Croix},
  author = {Ruth Todd and Doris Low},
  year = {1976},
  doi = {10.3133/pp863},
  url = {https://pubs.usgs.gov/publication/pp863},
  note = {Source identifier: pp863}
}