000 00610nam a22001931 4500
001 71217
090 _a71217
100 _a20071212d1978 k y0pory5003 ba
101 0 _aeng
102 _aUS
200 1 _aThe changing impact on the population compositions of origin and destination metropolitan areas
_fWilliam H. Frey
210 _aMadison
_cUniversity of Wisconsin. Institute for Research on Poverty
_d1978
215 _a38 p.
_d[30] cm
225 2 _aDiscussion papers
_v520
606 1 _aMigração interna
606 1 _aEstados Unidos
675 _a314.72
700 1 _aFrey
_bWilliam H.