RT Article T1 Examining police presence, tactics, and engagement as facilitators of informal social control in high-crime areas JF Justice quarterly A1 Kochel, Tammy A2 Gau, Jacinta M. 1982- LA English YR 2019 UL https://krimdok.uni-tuebingen.de/Record/1912547260 DO 10.1080/07418825.2019.1632917