TY  - RPRT
TI  - Modeling and the management of migratory birds
AU  - B. Kenneth Williams
AU  - J.D. Nichols
PY  - 2017
DO  - 10.1111/j.1939-7445.1990.tb00211.x
UR  - https://pubs.usgs.gov/publication/5222577
ID  - 5222577
ER  -