@misc{indiciae90b2f61bc558, title = {Accuracy of aging ducks in the U.S. Fish and Wildlife Service Waterfowl Parts Collection Survey}, author = {Aaron T. Pearse and Douglas H. Johnson and Kenneth D. Richkus and Frank C. Rohwer and Robert R. Cox and Paul I. Padding}, year = {2013}, doi = {10.1002/wsb.373}, url = {https://pubs.usgs.gov/publication/70101050}, note = {Source identifier: 70101050} }