TY - RPRT TI - Concentrations and spatial patterns of organic contaminants in tree swallow ( Tachycineta bicolor ) eggs at United States and binational Great Lakes Areas of Concern, 2010–2015 AU - Christine M. Custer AU - Thomas W. Custer AU - Paul M. Dummer AU - Diana R. Goldberg AU - J. Christian Franson PY - 2016 DO - 10.1002/etc.3496 UR - https://pubs.usgs.gov/publication/70174945 ID - 70174945 ER -