TY  - RPRT
TI  - Removal and repopulation of breeding birds in a spruce-fir forest community
AU  - R. E. Stewart
AU  - J.W. Aldrich
PY  - 1951
DO  - 10.2307/4080843
UR  - https://pubs.usgs.gov/publication/5220119
ID  - 5220119
ER  -