TY  - BOOK
ED  - National Research Council. Washington. Subcommittee on Swine Nutrition
TI  - Forestry research a mandate for change
U1  - 634.907 
PY  - 1990///
CY  - Washington, D. C.
PB  - National Academy Press
KW  - Bosques
KW  - Investigación
ER  -