TY  - BOOK
AU  - Conard Jon M
TI  - Resource economics
SN  - 0521 649744 9
U1  - X:271:(B), N9/TD 
PY  - 1999///
CY  - Cambridge
PB  - Cambridge University Press        
KW  -  Economics
KW  - Natural Resources
N1  - Bibliography: P 189-207
ER  -