TY  - RPRT
TI  - Relative toxicity of lead and selected substitute shot types to game farm mallards
AU  - Harold D. Irby
AU  - Louis N. Locke
AU  - George E. Bagley
PY  - 1967
DO  - 10.2307/3798314
UR  - https://pubs.usgs.gov/publication/5221279
ID  - 5221279
ER  -