000 00285 am a2200109 a 4500
100 1 _a
_d
245 1 _aDemographic aspects of migration of West Africa
260 _aWashington
_c1980
942 _2udc
_cB
440 _aWashington World Bank Staff working Paper No. 415
901 _aS34015
999 _c114447
_d114447