RT Article T1 School performance, peers and delinquency implications for juvenile justice JF Juvenile and family court journal VO 42 IS 3 SP 59 OP 69 A1 Lawrence, Richard LA English YR 1991 UL https://krimdok.uni-tuebingen.de/Record/1912696096 DO 10.1111/j.1755-6988.1991.tb00895.x