TY  - RPRT
TI  - Organochlorine residues and eggshell thinning in anhingas and waders
AU  - Harry M. Ohlendorf
AU  - Erwin E. Klaas
AU  - T. Earl Kaiser
PY  - 1978
DO  - 10.2307/1520919
UR  - https://pubs.usgs.gov/publication/5221425
ID  - 5221425
ER  -