00309nam a2200133Ia 45000030006000000080041000060400015000471000016000622450028000782600034001063000006001405460012001460050017001580STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aKolstad,C.D  aEnvironmental Economics  bOxford University pressc2003  a0  aEnglish20220125165620.0