TY  - BOOK
AU  - Kula Erhun
TI  - Economics of forestry: Modern theory and practice   
U1  - X9(JB), M8 
PY  - 1988///
CY  - London
PB  - Croom Helm         
KW  - Forestry Industry
N1  - Bibliography P 175-80; Appendix P 158-74
ER  -