RT Article T1 A 24-year follow-up of men vulnerable backgrounds JF The abandonment of delinquent behaviour SP 155 OP 176 A1 Farrington, David 1944- LA English YR 1988 UL https://krimdok.uni-tuebingen.de/Record/1419614029 SN 0275929280 K1 Protektive Faktoren K1 Vulnerabilität K1 Cambridge Studie K1 Delinquenzentwicklung