@misc{indiciae47eee97df619,
  title = {Roadblocks on the kill curve: Testing the Raup hypothesis},
  author = {C. W. Poag},
  year = {1997},
  doi = {10.2307/3515413},
  url = {https://pubs.usgs.gov/publication/70019533},
  note = {Source identifier: 70019533}
}