RT Article T1 The Interactive Effect of Peer Variables on Delinquency JF Criminology VO 29 IS 1 SP 47 OP 72 A1 Agnew, Robert 1953- LA English YR 1991 UL https://krimdok.uni-tuebingen.de/Record/1640333584 K1 Peer Group K1 USA K1 Kriminalitätstheorie