TY  - RPRT
TI  - Mate loss in winter and mallard reproduction
AU  - Barbara A. Lercel
AU  - Richard M. Kaminski
AU  - Robert R. Cox
PY  - 1999
DO  - 10.2307/3802651
UR  - https://pubs.usgs.gov/publication/1001786
ID  - 1001786
ER  -