TY  - RPRT
TI  - Effects of five-year DDT application on breeding bird population
AU  - C.S. Robbins
AU  - P. F. Springer
AU  - Clark G. Webster
PY  - 1951
DO  - 10.2307/3796613
UR  - https://pubs.usgs.gov/publication/5221328
ID  - 5221328
ER  -