TY  - RPRT
TI  - Petroleum: Effects on mallard egg hatchability
AU  - Robert C. Szaro
AU  - P.H. Albers
AU  - N. C. Coon
PY  - 1978
DO  - 10.2307/3800277
UR  - https://pubs.usgs.gov/publication/5221420
ID  - 5221420
ER  -