@misc{indiciaeeec50454b14a,
  title = {Micropaleontological studies in 1952},
  author = {H. R. Bergquist},
  year = {1954},
  doi = {10.3133/ofr5419},
  url = {https://pubs.usgs.gov/publication/ofr5419},
  note = {Source identifier: ofr5419}
}