@misc{indiciaeedc52e6b260f,
  title = {Unusual geese in the Pacific Coast states},
  author = {S.R. Wilbur and C.F. Yocom},
  year = {1971},
  doi = {10.2307/3534521},
  url = {https://pubs.usgs.gov/publication/5220018},
  note = {Source identifier: 5220018}
}