@misc{indiciaee625d5bec6cd,
  title = {A review of the evidence for the effects of hunting on American black duck populations},
  author = {M.J. Conroy and D.G. Krementz},
  year = {1990},
  url = {https://pubs.usgs.gov/publication/5222832},
  note = {Source identifier: 5222832}
}