RT Article T1 The Ecological Context of Urban Crime: A Further Explanation JF Urban affairs quarterly VO 17 IS 1 SP 37 OP 54 A1 Farley, John E. A1 Hansel, Mark A2 Hansel, Mark LA English YR 1981 UL https://krimdok.uni-tuebingen.de/Record/1912525798 DO 10.1177/004208168101700103