00434nam a2200133Ia 4500008004100000020001500041041000800056082002000064100003900084245011800123250000600241260004300247300001000290210716s1993    xx            000 0 und d  a0674018206  aeng  a305.800913 MASD  aMassey, Douglas S; Denton, Nancy A  aAmerican apartheid : segregation and the making of the underclass.bSegregation and the making of the underclass.  a1  aLondonbHarvard University Pressc1993  ax,292