TY  - RPRT
TI  - Environmental pollutants and eggshell thinning in the black-crowned night heron
AU  - H. M. Ohlendorf
AU  - Erwin E. Klaas
AU  - T. E. Kaiser
PY  - 1978
UR  - https://pubs.usgs.gov/publication/5210208
ID  - 5210208
ER  -