TY  - BOOK
AU  - Clark, Colin W.
AU  - Conrad, Jon M.
TI  - Natural resource economics: notes and problems
SN  - 0521337690
U1  - 333.7 21st ed.
PY  - 1995///
CY  - New York
PB  - Cambridge University Press
KW  - Environmental policy
KW  - Natural resources
N1  - Index: pp 229-31
ER  -