TY  - RPRT
TI  - Lack of association among duck broodmates during migration and wintering
AU  - R. K. Martinson
AU  - A.S. Hawkins
PY  - 1968
DO  - 10.2307/4083381
UR  - https://pubs.usgs.gov/publication/5220440
ID  - 5220440
ER  -