RT Article T1 Examining the influence of drivers' characteristics during traffic stops with police: results from a national surves JF Justice quarterly VO 21 IS 1 SP 49 OP 90 A1 Engel, Robin S. A2 Calnon, Jennifer M. LA English YR 2004 UL https://krimdok.uni-tuebingen.de/Record/1639305394 K1 Verkehrskontrolle K1 Rassendiskriminierung K1 Polizei