TY  - BOOK
ED  - Symposium on Pruning and Thinning. (
TI  - Proceedings
T2  - F.I.R. symposium
U1  - 631.542 
PY  - 1970///
CY  - Rotorua
PB  - Forest Research Institute
KW  - Cortas de mejoramiento
KW  - Poda
ER  -