TY  - RPRT
TI  - Organochlorine residues in eggs of black-crowned night herons from Colorado and Wyoming
AU  - L. C. McEwen
AU  - C. J. Stafford
AU  - Gary L. Hensler
PY  - 1984
DO  - 10.1002/etc.5620030302
UR  - https://pubs.usgs.gov/publication/5221937
ID  - 5221937
ER  -