@misc{indiciaecef7c6edf613,
  title = {Emperor goose (Chen canagica)},
  author = {Margaret R. Petersen and Joel A. Schmutz and R.F. Rockwell},
  year = {1994},
  doi = {10.2173/bna.97},
  url = {https://pubs.usgs.gov/publication/70007015},
  note = {Source identifier: 70007015}
}