@misc{indiciaefa4747f0f220,
  title = {Age as a factor in acquisition of parasites by Canada geese},
  author = {E.E. Wehr and C. M. Herman},
  year = {1954},
  doi = {10.2307/3797720},
  url = {https://pubs.usgs.gov/publication/5220028},
  note = {Source identifier: 5220028}
}