TY  - RPRT
TI  - An evaluation of techniques to measure contour feather molt in ducks
AU  - Rodger D. Titman
AU  - Marie-Christine LaGrenade
AU  - Michael R. Miller
PY  - 1990
DO  - 10.2307/3809033
UR  - https://pubs.usgs.gov/publication/1007598
ID  - 1007598
ER  -