TY  - RPRT
TI  - Factors limiting mallard brood survival in prairie pothole landscapes
AU  - Gary L. Krapu
AU  - Pamela J. Pietz
AU  - David A. Brandt
AU  - Robert R. Cox
PY  - 2000
DO  - 10.2307/3803253
UR  - https://pubs.usgs.gov/publication/1001094
ID  - 1001094
ER  -