RT Article T1 The enduring effects of cohort characteristics on age-specifle homicide rates JF The American journal of sociology VO 104 IS 4 SP 1061 OP 1095 A1 O'Brien, Robert M. A1 Stockard, Jean A1 Isaacson, Lynne LA English YR 1999 UL https://krimdok.uni-tuebingen.de/Record/1639671269 K1 Tötungsdelikte K1 Jugendliche K1 Entwicklung K1 USA