@misc{indiciae32223437c52e,
  title = {Variation in reproductivity with age in the brown pelican},
  author = {Lawrence J. Blus and Julie A. Keahey},
  year = {1978},
  doi = {10.2307/4085503},
  url = {https://pubs.usgs.gov/publication/5221446},
  note = {Source identifier: 5221446}
}