@misc{indiciae14c6808a0e6f,
  title = {A model of northern pintail productivity and population growth rate},
  author = {Paul L. Flint and J. Barry Grand and Robert F. Rockwell},
  year = {1998},
  doi = {10.2307/3802565},
  url = {https://pubs.usgs.gov/publication/70020440},
  note = {Source identifier: 70020440}
}