TY  - RPRT
TI  - Mate preference in wild and domesticated (game-farm) mallards (Anas platyrhynchos): I. Initial preference
AU  - K.M. Cheng
AU  - R.N. Shoffner
AU  - R.E. Phillips
AU  - F.B. Lee
PY  - 1978
UR  - https://pubs.usgs.gov/publication/1001472
ID  - 1001472
ER  -