RT Article T1 Boundary Adherence during Place-based Policing Evaluations: A Research Note JF Journal of research in crime and delinquency VO 51 IS 3 SP 377 OP 393 A2 Sorg, Evan T. LA English YR 2014 UL https://krimdok.uni-tuebingen.de/Record/163812292X K1 Polizeiintervention K1 Hot Spots K1 Kriminalitätsverdrängung K1 Effektivität K1 Methodenfragen