RT Article T1 Reactive and proactive aggression in school children and psychiatrically impaired chronically assaultive youth JF Journal of abnormal psychology VO 106 IS 1 SP 37 OP 51 A2 Bates, John E. 1945- A2 Pettit, Gregory S. A2 Harnish, Jennifer D. LA German YR 1997 UL https://krimdok.uni-tuebingen.de/Record/1639930000 K1 Klassifikation K1 Psychosoziale Faktoren K1 Gewalttätige Kinder K1 Gewalttätige Jugendliche