TY  - RPRT
TI  - Techniques for trapping, aging, and banding wintering canvasbacks
AU  - G.M. Haramis
AU  - E.L. Derleth
AU  - D.G. McAuley
PY  - 1982
UR  - https://pubs.usgs.gov/publication/5221784
ID  - 5221784
ER  -