@misc{indiciaede1ac63a0417,
  title = {The roles of optimism in conservation biology},
  author = {Erik A. Beever},
  year = {2001},
  doi = {10.1046/j.1523-1739.2000.99170.x},
  url = {https://pubs.usgs.gov/publication/70006414},
  note = {Source identifier: 70006414}
}