@misc{indiciaef6468db8e6b9,
  title = {Concerning the microfauna from Peñón Seep, Matanzas Province, Cuba},
  author = {Esther English Richards Applin and Paul Livingston Applin},
  year = {1953},
  url = {https://pubs.usgs.gov/publication/70205233},
  note = {Source identifier: 70205233}
}