RT Article T1 Geographical mobility, governmental assistance to the poor, and rates of urban crime JF Journal of crime & justice IS 9 SP 1 OP 18 A1 Messner, Steven F. LA English YR 1986 UL https://krimdok.uni-tuebingen.de/Record/1634261283 K1 Armut K1 Kriminalitätsrate K1 USA