TY  - RPRT
TI  - Plant histology as an aid in squirrel food-habit studies
AU  - L. L. Baumgartner
AU  - A. C. Martin
PY  - 1939
DO  - 10.2307/3796113
UR  - https://pubs.usgs.gov/publication/5220804
ID  - 5220804
ER  -