TY  - BOOK
AU  - Shigo,Alex L.
TI  - A new tree biology : facts, photos, and philosophies on trees and their problems and proper care / 
SN  - 0943563046
U1  - 635.9 
PY  - 1989///
CY  - Durham, New Hampshire : 
PB  - Shigo and Trees, Associates, 
KW  - ARBOLES FORESTALES
KW  - BIOLOGIA
KW  - PLAGAS
KW  - ENFERMEDADES FUNGOSAS
KW  - INSECTOS DANIÑOS
ER  -