TY  - BOOK
ED  - Institute of Tropical Forestry.
TI  - Annual letter 1988-89
U1  - 634.90913  21st ed.
PY  - 1900///?]
CY  - Puerto Rico
PB  -  Institute of Tropical Forestry
KW  - Agriculture
KW  - Forest management
KW  - Forestry
KW  - Research institutes
KW  - Tropical forestry
KW  - Watersheds
ER  -