TY  - RPRT
TI  - Organochlorine and mercury residues in Swainson's and ferruginous hawk eggs collected in North and South Dakota, 1974-79
AU  - Rey C. Stendell
AU  - David S. Gilmer
AU  - Nancy A. Coon
AU  - Douglas M. Swineford
PY  - 1988
DO  - 10.1007/bf00394254
UR  - https://pubs.usgs.gov/publication/5220763
ID  - 5220763
ER  -