TY  - RPRT
TI  - Comparative Dietary Toxicities of Pesticides to Birds
AU  - R.G. Heath
AU  - J. W. Spann
AU  - E. F. Hill
AU  - J.F. Kreitzer
PY  - 1972
UR  - https://pubs.usgs.gov/publication/5230135
ID  - 5230135
ER  -