RT Article T1 Neighborhood effects on family formation: concentrated poverty and beyond JF American sociological review VO 64 IS 1 SP 113 OP 132 A1 South, Scott J. A1 Crowder, Kyle D. LA English YR 1999 UL https://krimdok.uni-tuebingen.de/Record/1639755411 K1 Familienbildung K1 Soziale Benachteiligung