000 00347nam a2200121Ia 4500
008 100324s9999 xx 000 0 und d
100 _aKanbur R
245 _aOptimal nonlinear income taxation for the alleviation of poverty
260 _bWorld Bank
_aWashington DC
650 _aECONOMICS
942 _cBK
999 _c73729
_d73729