TY  - RPRT
TI  - Dabbling duck recruitment in relation to habitat and predators at Union Slough National Wildlife Refuge, Iowa
AU  - J. P. Fleskes
AU  - Erwin E. Klaas
PY  - 1991
UR  - https://pubs.usgs.gov/publication/2002272
ID  - 2002272
ER  -