TY  - RPRT
TI  - Population dynamics of North American light-bellied brent geese as determined by productivity and harvest surveys
AU  - R.E. Kirby
AU  - T.W. Barry
AU  - R.H. Kerbes
AU  - H.H. Obrecht
PY  - 1985
UR  - https://pubs.usgs.gov/publication/5222015
ID  - 5222015
ER  -