TY  - BOOK
AU  - Conrad,Jon M.
AU  - Clark,Colin Whitcomb
TI  - Natural resource economics: notes and problems 
SN  - 9780521337694
U1  - 333.7 19
PY  - 1987///
CY  - Cambridge 
PB  - Cambridge University Press
KW  - Natural resources
KW  - Environmental policy
N1  - Includes index; Bibliography: p. [225]-228
UR  - http://www.loc.gov/catdir/samples/cam034/87011582.html
UR  - http://www.loc.gov/catdir/description/cam023/87011582.html
UR  - http://www.loc.gov/catdir/toc/cam025/87011582.html
ER  -