000 00444nam a2200169Ia 4500
008 160906s9999 xx 000 0 und d
100 _aChen, Shaohua
100 _aRavallion, Marin
110 _aWorld Bank
245 _aHow have the world's poorest fared since the early 1980s?
260 _aWashington
260 _bWorld Bank
260 _c2004
300 _a41
440 _aPolicy research workinh paper NO 3341
650 _aPoverty
999 _c99274
_d99274