RT Article T1 The ecological structuring of police officers' perceptions of citizen cooperation JF Crime & delinquency VO 64 IS 9 SP 1143 OP 1170 A1 Shjarback, John A. A1 Wolfe, Scott E. A1 Nix, Justin A2 Wolfe, Scott E. A2 Nix, Justin LA English YR 2018 UL https://krimdok.uni-tuebingen.de/Record/1912525844 DO 10.1177/0011128717743779