000 00379nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aRavallion, Martin
245 _aPoverty lines in theory and practice
260 _c1998
_bWorld Bank
_aWashington DC
366 _b1998
650 _aECONOMICS
942 _cBK
999 _c81027
_d81027