@misc{indiciae0a7ead968057,
  title = {Reproductive ecology of tundra swans on the Arctic National Wildlife Refuge, Alaska},
  author = {Matthew J. Monda and John T. Ratti and Thomas R. McCabe},
  year = {1994},
  doi = {10.2307/3809691},
  url = {https://pubs.usgs.gov/publication/70184280},
  note = {Source identifier: 70184280}
}