@misc{indiciae3641b6c289b5,
  title = {Foraminifera from the Arctic Slope of Alaska; Part 3, Cretaceous Foraminifera},
  author = {Helen Tappan},
  year = {1962},
  doi = {10.3133/pp236c},
  url = {https://pubs.usgs.gov/publication/pp236C},
  note = {Source identifier: pp236C}
}