TY  - RPRT
TI  - Breeding Bird Survey and bird banding data: Applications to raptor research and management
AU  - J.R. Sauer
AU  - Sam Droege
AU  - D. Bystrak
PY  - 1991
UR  - https://pubs.usgs.gov/publication/5210600
ID  - 5210600
ER  -