TY  - RPRT
TI  - Evaluating causes of population change in North American insectivorous songbirds
AU  - J.R. Sauer
AU  - G.W. Pendleton
AU  - B.G. Peterjohn
PY  - 2002
DO  - 10.1046/j.1523-1739.1996.10020465.x
UR  - https://pubs.usgs.gov/publication/5221081
ID  - 5221081
ER  -