TY  - RPRT
TI  - Survival of postfledging mallards in northcentral Minnesota
AU  - Ronald E. Kirby
AU  - Glen A. Sargeant
PY  - 1999
DO  - 10.2307/3802526
UR  - https://pubs.usgs.gov/publication/1001894
ID  - 1001894
ER  -