@misc{indiciaef81b5912bc23,
  title = {Biochemical identification of the mallard, Anas platyrhynchos , and black duck, A. rubripes},
  author = {R.P. Morgan and L.A. Noe and Charles J. Henny},
  year = {1976},
  doi = {10.1016/0305-0491(76)90206-6},
  url = {https://pubs.usgs.gov/publication/5220929},
  note = {Source identifier: 5220929}
}