00496nam a2200205Ia 4500003000400000005001700004008004100021020002200062040000700084041000800091082001500099100001900114245002800133250000600161260004800167300001700215365001300232650001400245650003100259OSt20230530163940.0210423s2012    xx            000 0 und d  a978-1-107-60624-1  cAL  aeng  a333.7 CONR  aCONRAD (Jon M)  aResource economics Ed 2  a2  aNew DelhibCambridge University Pressc2012  axiii,285bHB  b495cINR  aEconomics  aNatural Resources & Energy