@misc{indiciae675aa6c56eda,
  title = {Estimating reproductive success in colonial waterbirds: An evaluation},
  author = {R.M. Erwin and T. W. Custer},
  year = {1982},
  doi = {10.2307/1521032},
  url = {https://pubs.usgs.gov/publication/5221864},
  note = {Source identifier: 5221864}
}