TY - JOUR A1 - Helgertz, J. T1 - Thou shalt not pass? Examining the existence of an immigrant glass ceiling in Sweden, 1970-1990 Y1 - 2011 DO - 10.4054/DemRes.2011.24.1 JF - Demographic Research VL - 24 IS - 1 SP - 1 EP - -44 ER -