@misc{indiciae830cbcb6c8f4,
  title = {Oligocene plants and correlation},
  author = {R.W. Brown},
  year = {1954},
  doi = {10.1126/science.119.3088.330.a},
  url = {https://pubs.usgs.gov/publication/70010592},
  note = {Source identifier: 70010592}
}