TY  - RPRT
TI  - Use of North American Breeding Bird Survey data to estimate population change for bird conservation regions
AU  - John R. Sauer
AU  - Jane E. Fallon
AU  - Rex Johnson
PY  - 2003
DO  - 10.2307/3802778
UR  - https://pubs.usgs.gov/publication/5224280
ID  - 5224280
ER  -