TY - RPRT TI - An evaluation of inorganic toxicity reference values for use in assessing hazards to American robins ( Turdus migratorius ) AU - W. Nelson Beyer AU - Bradley E. Sample PY - 2016 DO - 10.1002/ieam.1792 UR - https://pubs.usgs.gov/publication/70184303 ID - 70184303 ER -