TY  - BOOK
AU  - Burns, Russell M.
TI  - Silvicultura systems for the major forest types of the United States
T2  - Agricultural handbook
U1  - 634.95 
PY  - 1983///
CY  - Washington
PB  - Forest Service
KW  - Bosques
KW  - E.U.A
KW  - Silvicultura
KW  - Publicaciones periódicas
ER  -