TY  - BOOK
AU  - Eyre, F. H.
TI  - Forest cover types of the United States and Canada
U1  - 634.90973 
PY  - 1980///
CY  - Washington
PB  - Society of America Foresters
KW  - Bosques
KW  - Canadá
KW  - E.U.A
ER  -