@misc{indiciae22ab3296f312,
  title = {Lack of association among duck broodmates during migration and wintering},
  author = {R. K. Martinson and A.S. Hawkins},
  year = {1968},
  doi = {10.2307/4083381},
  url = {https://pubs.usgs.gov/publication/5220440},
  note = {Source identifier: 5220440}
}