TY  - BOOK
AU  - Gregesen, H. M. and others,
TI  - Planning and Managing Forestry Research : Guidelines for Managers
SN  - 9251029636
U1  - 634 
PY  - 1990///
CY  - Rome
PB  - F. A. O.
KW  - Orchards, fruits & forestry
ER  -