@misc{indiciae4434076620b4,
  title = {Alaskan Cretaceous-Tertiary floras and Arctic origins},
  author = {Robert A. Spicer and Jack A. Wolfe and Douglas J. Nichols},
  year = {2016},
  doi = {10.1017/s0094837300008599},
  url = {https://pubs.usgs.gov/publication/70221503},
  note = {Source identifier: 70221503}
}