TY  - BOOK
AU  - Gregory,G.Robinson, x
AU  - x
TI  - Forest resource economics: x
SN  - x
U1  - 634.92/GRF 
PY  - 1972///
CY  - N.Y.
PB  - Wiley
KW  - Forests and Forestry
N1  - x
ER  -