TY  - GEN
AU  - Perman,Roger
AU  - Perman,Roger
TI  - Natural resource and environmental economics / 
AV  - HC79.E5  
U1  - 333.7  
PY  - 2003///
CY  - New York : 
PB  - Pearson Education
KW  - Environmental economics
KW  - Natural resources
KW  - Management
KW  - Sustainable Development
N1  - Rev. ed. of: Natural resource and environmental economics / Roger Perman, Yue Ma, James McGilvray. 1996; Includes bibliographical references and index
ER  -