TY  - RPRT
TI  - Lead poisoning and other mortality factors in trumpeter swans
AU  - L. J. Blus
AU  - R. K. Stroud
AU  - B. Reiswig
AU  - T. McEneaney
PY  - 1989
DO  - 10.1002/etc.5620080308
UR  - https://pubs.usgs.gov/publication/5222238
ID  - 5222238
ER  -