TY  - RPRT
TI  - Mercury and other element exposure to tree swallows (Tachycineta bicolor) nesting on Lostwood National Wildlife Refuge, North Dakota
AU  - T. W. Custer
AU  - Christine M. Custer
AU  - K. M. Johnson
AU  - D. J. Hoffman
PY  - 2008
UR  - https://pubs.usgs.gov/publication/5224895
ID  - 5224895
ER  -