@misc{indiciae9d74566c705b,
  title = {Movements of geese on wintering grounds studies},
  author = {F.W. Martin and D.A. Smithey and R. H. Chabreck},
  year = {1973},
  url = {https://pubs.usgs.gov/publication/5220931},
  note = {Source identifier: 5220931}
}