TY  - BOOK
AU  - Perman Roger
AU  - Common Michael
AU  - Ma Yue
AU  - McGilvray James
TI  - Natural resource and environmental economics
SN  - 0-582-36876-6
U1  - 333.7 
PY  - 1999///
CY  - Essex
PB  - Longman
KW  - Environmental economics
ER  -