TY  - RPRT
TI  - Effects of DDT on birds at the Patuxent Wildlife Research Refuge
AU  - R. E. Stewart
AU  - J.B. Cope
AU  - C.S. Robbins
AU  - J.W. Brainerd
PY  - 1946
DO  - 10.2307/3795832
UR  - https://pubs.usgs.gov/publication/5221493
ID  - 5221493
ER  -