TY  - BOOK
AU  - Field,Barry C.
TI  - Natural resource economics:  an introduction
SN  - 9780072316773
U1  - 333.7 FIE 
PY  - 2001///
CY  - Boston, Mass.
PB  -  Irwin/McGraw-Hill, 
KW  - Natural resources
KW  - Environmental policy
ER  -