00309    a2200121   4500020001500000082001600015100002400031245004400055250000800099260004100107300002000148650001900168  a1843766140  a333.72bTIS  aTisdell, Clement A.  aEconomics of environmental conservation  a2nd  acheltenhambEdward elgarc2005g2005  axx, 288p.c23cm  aLAND ECONOMICS