TY  - RPRT
TI  - Winter movements of American black ducks in relation to natural and impounded wetlands in New Jersey
AU  - M.J. Conroy
AU  - G.R. Costanzo
AU  - Daniel B. Stotts
PY  - 1987
UR  - https://pubs.usgs.gov/publication/5210230
ID  - 5210230
ER  -