@misc{indiciae60f14a6c2e87,
  title = {Calcareous nannofossils from Paleogene deposits in the Salt Range, Pakistan},
  author = {Laurel M. Bybell and Jean Self-Trail},
  year = {1993},
  url = {https://pubs.usgs.gov/publication/70221778},
  note = {Source identifier: 70221778}
}