@misc{indiciaed5150a77871a,
  title = {Mate preference in wild and domesticated (game-farm) mallards (Anas platyrhynchos): I. Initial preference},
  author = {K.M. Cheng and R.N. Shoffner and R.E. Phillips and F.B. Lee},
  year = {1978},
  url = {https://pubs.usgs.gov/publication/1001472},
  note = {Source identifier: 1001472}
}