TY  - BOOK
AU  - Perman, Roger
AU  - Ma, Yue, McGlilvray, James, Common, Michael.
TI  - Natural resource and environmental economics
SN  - 9780273655596
AV  - HC79 .E5 2003
PY  - 2003///
CY  - Harlow, England
PB  - Pearson
KW  - Economics
ER  -