TY  - RPRT
TI  - Influence of age and selected environmental factors on reproductive performance of canvasbacks
AU  - Jerome R. Serie
AU  - David L. Trauger
AU  - Jane E. Austin
PY  - 1992
DO  - 10.2307/3808871
UR  - https://pubs.usgs.gov/publication/1001338
ID  - 1001338
ER  -