@misc{indiciae31d87888ffe7,
  title = {Eocene and Oligocene planktonic Foraminifera from the upper Butano Sandstone and type San Lorenzo Formation, Santa Cruz Mountains, California},
  author = {R.Z. Poore and E. E. Brabb},
  year = {1977},
  doi = {10.2113/gsjfr.7.4.249},
  url = {https://pubs.usgs.gov/publication/70197588},
  note = {Source identifier: 70197588}
}