TY  - BOOK
ED  - Northeastern Forest Tree Improvement Conference (
TI  - Proceedings
U1  - 634.95 
PY  - 1957///
CY  - Johnsonburg, Penn.
PB  - NFTI
KW  - Bosques
KW  - E.U.A
KW  - Silvicultura
KW  - Publicaciones periódicas
ER  -