00373nam a2200133Ia 4500008004100000020001900041040003000060082001500090100002400105245004100129260004400170300001100214650001400225190302s9999||||xx |||||||||||||| ||und||  c550a198091788  aKharagpur College Library  a330.9bKOL  aKolstad, Charles D.  aIntermediate Environmental economics  bOxford university pressaNew Yorkc2011  a470 p.  aEconomics