@misc{indiciaec7d24b8168a3,
  title = {Estimating avian population size using Bowden's estimator},
  author = {Duane R. Diefenbach},
  year = {2009},
  doi = {10.1525/auk.2009.08041},
  url = {https://pubs.usgs.gov/publication/70036966},
  note = {Source identifier: 70036966}
}