RT Article T1 Policital influences on racial disparities in traffic enforcement practices JF Criminology & public policy VO 8 IS 2 SP 337 OP 341 A1 McDevitt, Jack LA English YR 2009 UL https://krimdok.uni-tuebingen.de/Record/1625604459 K1 Rassendiskriminierung K1 Verkehrskontrolle K1 Polizei K1 Politik K1 USA