TY  - RPRT
TI  - Eggshell thinning and contaminant levels in bald eagle eggs from Arizona, 1977 to 1985
AU  - T.G. Grubb
AU  - Stanley N. Wiemeyer
AU  - L.F. Kiff
PY  - 1990
UR  - https://pubs.usgs.gov/publication/5222235
ID  - 5222235
ER  -