TY  - RPRT
TI  - Selenium and metal concentrations in waterbird eggs and chicks at Agassiz National Wildlife Refuge, Minnesota
AU  - T. W. Custer
AU  - Christine M. Custer
AU  - B.A. Eichhorst
AU  - D. Warburton
PY  - 2007
DO  - 10.1007/s00244-006-0139-7
UR  - https://pubs.usgs.gov/publication/70030903
ID  - 70030903
ER  -