TY  - BOOK
AU  - Perman,Roger
TI  - Natural resource and environmental economics
SN  - 0582368766 :
AV  - HD75.6 .N38 1999
PY  - 1999///
CY  - Harlow, England
PB  - Parson Educational
KW  - Economic development
KW  - Environmental aspects
ER  -