TY  - BOOK
AU  - Kula,Erhun
TI  - The economics of forestry: modern theory and practice 
SN  - 0881921238
PY  - 1988///
CY  - London
PB  - Croom Helm
KW  - Forests and forestry
KW  - Economic aspects
N1  - p. 175-180
ER  -