TY  - RPRT
TI  - Bear feeding activity at alpine insect aggregation sites in the Yellowstone ecosystem
AU  - David J. Mattson
AU  - Colin M. Gillin
AU  - Scott A. Benson
AU  - Richard R. Knight
PY  - 1991
DO  - 10.1139/z91-341
UR  - https://pubs.usgs.gov/publication/70125960
ID  - 70125960
ER  -