TY  - RPRT
TI  - Element concentrations in tree swallows (Tachycineta bicolor) from the U.S. and Binational Great Lakes’ areas of concern
AU  - Thomas W. Custer
AU  - Christine M. Custer
AU  - Paul M. Dummer
AU  - Diana R. Goldberg
AU  - J. Christian Franson
PY  - 2019
DO  - 10.1007/s00244-019-00601-4
UR  - https://pubs.usgs.gov/publication/70202718
ID  - 70202718
ER  -