000 00372nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aPearce D
245 _aEconomic valuation and the natural world
260 _c1992
_bWorld Bank
_aWashington DC
366 _b1992
650 _aECONOMICS
942 _cBK
999 _c75344
_d75344