00690nam a2200229Ia 450000100060000000300050000600500170001100800410002801000200006901500150008902000230010405000170012708200130014410000430015724500550020026000710025530000280032650000200035450400300037465000260040465000300043036971BIBL20160527195627.0750423s1974    enka     bs   00110 eng    a 74000319 //r83  aGB74-21861  a034701044Xc£5.750 aHD5707b.W53  a331.1/2710aWillis, K. G.q(Kenneth George)2Local10aProblems in migration analysiscKenneth G. Willis.0 aFarnboroughbSaxon HouseaLexington, Mass.bLexington Booksc1974.  ax, 247 p.bill.c24 cm.  aIncludes index.  aBibliography: p. 219-237. 0aLabor mobility2Local 0aMigration internal2Local