000 00561nam a2200157Ia 4500
008 140323b1971 xxu||||| |||| 00| 0 eng d
082 _aRC 1972/1350
100 _aMorrison, Peter A.
_9273686
245 _aThe impact and significance of rural-urban migration in the United States
_cMorrison, Peter A.
260 _aSanta Monica, California
_bRand Corporation
_c1971
300 _a20 p.
440 _aRand Corporation, P-4752
_9273621
650 _aRural-urban migration - United States
_9273622
650 _aRural-urban migration
_92550
942 _cREF
_2ddc
999 _c60049
_d60049