TY  - BOOK
AU  - Little, Elbert L., Jr.
TI  - Check list of native and naturalized trees of the United States (including Alaska)
T2  - Agriculture handbook
U1  - 634.97 
PY  - 1953///
CY  - Washington
PB  - Forest Service
KW  - Árboles
KW  - E.U.A
ER  -