RT Article T1 Relative deprivation and intergroup prejudice JF Journal of social issues VO 64 IS 2 SP 385 OP 401 A2 Pettigrew, Thomas F. LA English YR 2008 UL https://krimdok.uni-tuebingen.de/Record/1625360991 K1 Deprivation K1 Vorurteile K1 Einstellung