TY  - RPRT
TI  - Accuracy of aging ducks in the U.S. Fish and Wildlife Service Waterfowl Parts Collection Survey
AU  - Aaron T. Pearse
AU  - Douglas H. Johnson
AU  - Kenneth D. Richkus
AU  - Frank C. Rohwer
AU  - Robert R. Cox
AU  - Paul I. Padding
PY  - 2013
DO  - 10.1002/wsb.373
UR  - https://pubs.usgs.gov/publication/70101050
ID  - 70101050
ER  -