TY  - RPRT
TI  - Consumption of spruce budworms by birds in a Maine spruce-fir forest
AU  - R.T. Mitchell
PY  - 1952
DO  - 10.1093/jof/50.5.387
UR  - https://pubs.usgs.gov/publication/5221330
ID  - 5221330
ER  -