RT Article T1 Relational problems with peers, gender, and delinquency JF Youth & society VO 29 IS 1 SP 84 OP 111 A1 Agnew, Robert 1953- A1 Brezina, Timothy LA English YR 1997 UL https://krimdok.uni-tuebingen.de/Record/1639819037 K1 Jugenddelinquenz K1 Peereinfluss K1 Straintheorie