RT Article T1 The relative impact of gang status transitions: identifying the mechanisms of change in delinquency JF Journal of research in crime and delinquency VO 51 IS 3 SP 349 OP 376 A1 Melde, Chris A2 Esbensen, Finn-Aage 1951- LA English YR 2014 UL https://krimdok.uni-tuebingen.de/Record/1912683903 DO 10.1177/0022427813507059