TY  - RPRT
TI  - Food habits of Yellowstone grizzly bears, 1977-1987
AU  - David J. Mattson
AU  - Bonnie M. Blanchard
AU  - Richard R. Knight
PY  - 1990
UR  - https://pubs.usgs.gov/publication/70125376
ID  - 70125376
ER  -