TY  - RPRT
TI  - Reproduction of black-crowned night-herons related to predation and contaminants in Oregon and Washington, USA
AU  - L. J. Blus
AU  - Barnett A. Rattner
AU  - M. J. Melancon
AU  - Charles J. Henny
PY  - 1997
DO  - 10.2307/1521685
UR  - https://pubs.usgs.gov/publication/5223344
ID  - 5223344
ER  -