000 00388nam a2200133Ia 4500
008 100324s9999 xx 000 0 und d
100 _aRavallion M
245 _aPoverty comparisons : a guide to concepts and methods
260 _c1992
_bWorld Bank
_aWashington DC
366 _b1992
650 _aECONOMICS
942 _cBK
999 _c74588
_d74588