RT Article T1 Reducing early childhood aggression: results of a primary prevention program JF Journal of the American Academy of Child and Adolescent Psychiatry VO 30 IS 2 SP 208 OP 217 A1 Hawkins, J. David 1945- A1 VonCleve, Elizabeth H. A1 Catalano, Richard F. LA English YR 1991 UL https://krimdok.uni-tuebingen.de/Record/1640052607 K1 Drogenprävention K1 Minderjährige K1 Aggression K1 Delinquenzprophylaxe