000 00342pab a2200133 454500
008 180718b1987 xxu||||| |||| 00| 0 eng d
100 _aSchaeffer, Peter V.
245 _aA family model of migration
260 _c1987
300 _a263-9
650 _aPopulation - Migration
773 _aSocio - Economic Planning Sciences
909 _a15529
999 _c15529
_d15529