TY  - RPRT
TI  - Lead exposure in American black ducks after implementation of non-toxic shot
AU  - M.D. Samuel
AU  - E. Frank Bowers
PY  - 2000
DO  - 10.2307/3803203
UR  - https://pubs.usgs.gov/publication/1003869
ID  - 1003869
ER  -