@misc{indiciae8cff5d44977e,
  title = {Early evolution of Tubulogenerina during the Paleogene of Europe},
  author = {T. G. Gibson and V. Barbin and A. Poignant and K. Sztrakos},
  year = {1991},
  doi = {10.2113/gsjfr.21.4.299},
  url = {https://pubs.usgs.gov/publication/70014961},
  note = {Source identifier: 70014961}
}