TY  - RPRT
TI  - Geographic variation in migratory behavior of greater white-fronted geese ( Anser albifrons )
AU  - Craig R. Ely
AU  - John Y. Takekawa
PY  - 1996
DO  - 10.2307/4088866
UR  - https://pubs.usgs.gov/publication/1007452
ID  - 1007452
ER  -