00307nam a2200109 a 450000500170000008200210001710000200003824500810005825000110013926000250015030000220017520251203090633.0  a325.41,bTHO/ECP  aThomas, Brinley  aMigration and economic growthba study of great britain and atlantic economy  a2nd ed  aCambridgebCUPc1973  aXXXI,408P., 22CM.