RT Article T1 Delinquent Definitions and Participation Age: Assessing the Invariance Hypothesis JF Studies on crime and crime prevention SP 151 OP 168 A1 Mazerolle, Paul LA English YR 1997 UL https://krimdok.uni-tuebingen.de/Record/1639882758 K1 Beginn K1 Kriminelle Karriere K1 Kriminalität K1 Alter