00511nam a2200205Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082002100095100002400116245004100140250000600181260004500187300001500232365001300247650001400260650003100274OSt20230502121606.0210423s2012    xx            000 0 und d  a9780198091783  cAL  aeng  a333.7 223bKOLC  aKOLSTAD (Charles D)  aIntermediate environmental economics  a2  aNew DelhibOxford University Pressc2012  aix,470bPB  b550cINR  aEconomics  aNatural Resources & Energy